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The Love Hypothesis Kindle Edition
As seen on THE VIEW!
A BuzzFeed Best Summer Read of 2021
When a fake relationship between scientists meets the irresistible force of attraction, it throws one woman's carefully calculated theories on love into chaos.
As a third-year Ph.D. candidate, Olive Smith doesn't believe in lasting romantic relationships—but her best friend does, and that's what got her into this situation. Convincing Anh that Olive is dating and well on her way to a happily ever after was always going to take more than hand-wavy Jedi mind tricks: Scientists require proof. So, like any self-respecting biologist, Olive panics and kisses the first man she sees.
That man is none other than Adam Carlsen, a young hotshot professor—and well-known ass. Which is why Olive is positively floored when Stanford's reigning lab tyrant agrees to keep her charade a secret and be her fake boyfriend. But when a big science conference goes haywire, putting Olive's career on the Bunsen burner, Adam surprises her again with his unyielding support and even more unyielding...six-pack abs.
Suddenly their little experiment feels dangerously close to combustion. And Olive discovers that the only thing more complicated than a hypothesis on love is putting her own heart under the microscope.
- LanguageEnglish
- PublisherBerkley
- Publication dateSeptember 14, 2021
- File size3.2 MB
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- “I am going to take care of this,” he told her. There was something determined, earnest in his eyes. Olive had never felt safer, or more loved. “And then I’ll come find you, and I’ll take care of you.”Highlighted by 10,828 Kindle readers
- It wasn’t until a few minutes later, when she was sitting on her bed staring at the Boston skyline and chewing on her lunch, that Olive realized that the protein bar Adam had given her was covered in chocolate.Highlighted by 9,186 Kindle readers
- “Fine. We can say that you broke up with me.” “Because that sounds credible,” he said drily, almost below his breath.Highlighted by 5,901 Kindle readers
From the Publisher
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Customer Reviews |
4.1 out of 5 stars 17,771
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4.4 out of 5 stars 32,484
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4.3 out of 5 stars 28,451
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4.4 out of 5 stars 3,562
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4.4 out of 5 stars 47,687
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Price | $11.09$11.09 | $10.98$10.98 | $8.95$8.95 | $8.90$8.90 | $11.97$11.97 |
Discover more books by Ali Hazelwood | A forbidden, secret affair proves that all’s fair in love and science. | Rival physicists collide in a vortex of academic feuds and fake dating shenanigans. | A scientist is forced to work on a project with her nemesis—with explosive results. | A collection of novellas featuring a trio of engineers and their loves in loathing. | A dangerous alliance between a Vampyre bride and an Alpha Werewolf becomes a love deep enough to sink your teeth into. |
Editorial Reviews
Review
"A literary breakthrough…The Love Hypothesis is a self-assured debut, and we hypothesize it's just the first bit of greatness we'll see from an author who somehow has the audacity to be both an academic powerhouse and divinely talented novelist."—Entertainment Weekly
“Contemporary romance's unicorn: the elusive marriage of deeply brainy and delightfully escapist...The Love Hypothesis has wild commercial appeal but the quieter secret is that there is a specific audience, made up of all of the Olives in the world, who have deeply, ardently waited for this exact book.”—Christina Lauren, New York Times bestselling author
“Funny, sexy and smart, Ali Hazelwood did a terrific job with The Love Hypothesis.”—Mariana Zapata, New York Times bestselling author
“This tackles one of my favorite tropes—Grumpy meets Sunshine—in a fun and utterly endearing way...I loved the nods towards fandom and romance novels, and I couldn't put it down. Highly recommended!”—Jessica Clare, New York Times bestselling author
"Pure slow-burning gold with lots of chemistry."—Popsugar
"A beautifully written romantic comedy with a heroine you will instantly fall in love with, The Love Hypothesis is destined to earn a place on your keeper shelf."—Elizabeth Everett, author of A Lady's Formula for Love
"Smart, witty dialog and a diverse cast of likable secondary characters...A realistic, amusing novel that readers won’t be able to put down."—Library Journal, starred review
"Hilarious and heartwarming, The Love Hypothesis is romantic comedy at its best...a perfect amalgamation of sex and science, sure to appeal to readers of Christina Lauren or Abby Jimenez."—Shelf Awareness
"With whip-smart and endearing characters, snappy prose, and a quirky take on a favorite trope, Hazelwood convincingly navigates the fraught shoals of academia...This smart, sexy contemporary should delight a wide swath of romance lovers."—Publishers Weekly
About the Author
Excerpt. © Reprinted by permission. All rights reserved.
Chapter One
Hypothesis: When given a choice between A (a slightly inconveniencing situation) and B (a colossal shitshow with devastating consequences), I will inevitably end up selecting B.
In Olive's defense, the man didn't seem to mind the kiss too much.
It did take him a moment to adjust-perfectly understandable, given the sudden circumstances. It was an awkward, uncomfortable, somewhat painful minute, in which Olive was simultaneously smashing her lips against his and pushing herself as high as her toes would extend to keep her mouth at the same level as his face. Did he have to be so tall? The kiss must have looked like some clumsy headbutt, and she grew anxious that she was not going to be able to pull the whole thing off. Her friend Anh, whom Olive had spotted coming her way a few seconds ago, was going to take one look at this and know at once that Olive and Kiss Dude couldn't possibly be two people in the middle of a date.
Then that agonizingly slow moment went by, and the kiss became . . . different. The man inhaled sharply and inclined his head a tiny bit, making Olive feel less like a squirrel monkey climbing a baobab tree, and his hands-which were large and pleasantly warm in the AC of the hallway-closed around her waist. They slid up a few inches, coming to wrap around Olive's rib cage and holding her to himself. Not too close, and not too far.
Just so.
It was more of a prolonged peck than anything, but it was quite nice, and for the life span of a few seconds Olive forgot a large number of things, including the fact that she was pressed against a random, unknown dude. That she'd barely had the time to whisper "Can I please kiss you?" before locking lips with him. That what had originally driven her to put on this entire show was the hope of fooling Anh, her best friend in the whole world.
But a good kiss will do that: make a girl forget herself for a while. Olive found herself melting into a broad, solid chest that showed absolutely no give. Her hands traveled from a defined jaw into surprisingly thick and soft hair, and then-then she heard herself sigh, as if already out of breath, and that's when it hit her like a brick on the head, the realization that- No. No.
Nope, nope, no.
She should not be enjoying this. Random dude, and all that.
Olive gasped and pushed herself away from him, frantically looking for Anh. In the 11:00 p.m. bluish glow of the biology labs' hallway, her friend was nowhere to be seen. Weird. Olive was sure she had spotted her a few seconds earlier.
Kiss Dude, on the other hand, was standing right in front of her, lips parted, chest rising and a weird light flickering in his eyes, which was exactly when it dawned on her, the enormity of what she had just done. Of who she had just-
Fuck her life.
Fuck. Her. Life.
Because Dr. Adam Carlsen was a known ass.
This fact was not remarkable in and of itself, as in academia every position above the graduate student level (Olive's level, sadly) required some degree of assness in order to be held for any length of time, with tenured faculty at the very peak of the ass pyramid. Dr. Carlsen, though-he was exceptional. At least if the rumors were anything to go by.
He was the reason Olive's roommate, Malcolm, had to completely scrap two research projects and would likely end up graduating a year late; the one who had made Jeremy throw up from anxiety before his qualifying exams; the sole culprit for half the students in the department being forced to postpone their thesis defenses. Joe, who used to be in Olive's cohort and would take her to watch out-of-focus European movies with microscopic subtitles every Thursday night, had been a research assistant in Carlsen's lab, but he'd decided to drop out six months into it for "reasons." It was probably for the best, since most of Carlsen's remaining graduate assistants had perennially shaky hands and often looked like they hadn't slept in a year.
Dr. Carlsen might have been a young academic rock star and biology's wunderkind, but he was also mean and hypercritical, and it was obvious in the way he spoke, in the way he carried himself, that he thought himself the only person doing decent science within the Stanford biology department. Within the entire world, probably. He was a notoriously moody, obnoxious, terrifying dick.
And Olive had just kissed him.
She wasn't sure how long the silence lasted-only that he was the one to break it. He stood in front of Olive, ridiculously intimidating with dark eyes and even darker hair, staring down from who knows how many inches above six feet-he must have been over half a foot taller than she was. He scowled, an expression that she recognized from seeing him attend the departmental seminar, a look that usually preceded him raising his hand to point out some perceived fatal flaw in the speaker's work.
Adam Carlsen. Destroyer of research careers, Olive had once overheard her adviser say.
It's okay. It's fine. Totally fine. She was just going to pretend nothing had happened, nod at him politely, and tiptoe her way out of here. Yes, solid plan.
"Did you . . . Did you just kiss me?" He sounded puzzled, and maybe a little out of breath. His lips were full and plump and . . . God. Kissed. There was simply no way Olive could get away with denying what she had just done.
Still, it was worth a try.
"Nope."
Surprisingly, it seemed to work.
"Ah. Okay, then." Carlsen nodded and turned around, looking vaguely disoriented. He took a couple of steps down the hallway, reached the water fountain-maybe where he'd been headed in the first place.
Olive was starting to believe that she might actually be off the hook when he halted and turned back with a skeptical expression.
"Are you sure?"
Dammit.
"I-" She buried her face in her hands. "It's not the way it looks."
"Okay. I . . . Okay," he repeated slowly. His voice was deep and low and sounded a lot like he was on his way to get ting mad. Like maybe he was already mad. "What's going on here?"
There was simply no way to explain this. Any normal person would have found Olive's situation odd, but Adam Carlsen, who obviously considered empathy a bug and not a feature of humanity, could never understand. She let her hands fall to her sides and took a deep breath.
"I . . . listen, I don't mean to be rude, but this is really none of your business."
He stared at her for a moment, and then he nodded. "Yes. Of course." He must be getting back into his usual groove, because his tone had lost some of its surprise and was back to normal-dry. Laconic. "I'll just go back to my office and begin to work on my Title IX complaint."
Olive exhaled in relief. "Yeah. That would be great, since- Wait. Your what?"
He cocked his head. "Title IX is a federal law that protects against sexual misconduct within academic settings-"
"I know what Title IX is."
"I see. So you willfully chose to disregard it."
"I- What? No. No, I didn't!"
He shrugged. "I must be mistaken, then. Someone else must have assaulted me."
"Assault-I didn't 'assault' you."
"You did kiss me."
"But not really."
"Without first securing my consent."
"I asked if I could kiss you!"
"And then did so without waiting for my response."
"What? You said yes."
"Excuse me?"
She frowned. "I asked if I could kiss you, and you said yes."
"Incorrect. You asked if you could kiss me and I snorted."
"I'm pretty sure I heard you said yes."
He lifted one eyebrow, and for a minute Olive let herself daydream of drowning someone. Dr. Carlsen. Herself. Both sounded like great options.
"Listen, I'm really sorry. It was a weird situation. Can we just forget that this happened?"
He studied her for a long moment, his angular face serious and something else, something that she couldn't quite decipher because she was too busy noticing all over again how damn towering and broad he was. Just massive. Olive had always been slight, just this side of too slender, but girls who are five eight rarely felt diminutive. At least until they found themselves standing next to Adam Carlsen. She'd known that he was tall, of course, from seeing him around the department or walking across campus, from sharing the elevator with him, but they'd never interacted. Never been this close.
Except for a second ago, Olive. When you almost put your tongue in his-
"Is something wrong?" He sounded almost concerned.
"What? No. No, there isn't."
"Because," he continued calmly, "kissing a stranger at midnight in a science lab might be a sign that there is."
"There isn't."
Carlsen nodded, thoughtful. "Very well. Expect mail in the next few days, then." He began to walk past her, and she turned to yell after him.
"You didn't even ask my name!"
"I'm sure anyone could figure it out, since you must have swiped your badge to get in the labs area after hours. Have a good night."
"Wait!" She leaned forward and stopped him with a hand on his wrist. He paused immediately, even though it was obvious that it would take him no effort to free himself, and stared pointedly at the spot where her fingers had wrapped around his skin-right below a wristwatch that probably cost half her yearly graduate salary. Or all of it.
She let go of him at once and took one step back. "Sorry, I didn't mean to-"
"The kiss. Explain."
Olive bit into her lower lip. She had truly screwed herself over. She had to tell him, now. "Anh Pham." She looked around to make sure Anh was really gone. "The girl who was passing by. She's a graduate student in the biology department."
Carlsen gave no indication of knowing who Anh was.
"Anh has . . ." Olive pushed a strand of brown hair behind her ear. This was where the story became embarrassing. Complicated, and a little juvenile sounding. "I was seeing this guy in the department. Jeremy Langley, he has red hair and works with Dr. . . . Anyway, we went out just a couple of times, and then I brought him to Anh's birthday party, and they just sort of hit it off and-"
Olive shut her eyes. Which was probably a bad idea, because now she could see it painted on her lids, how her best friend and her date had bantered in that bowling alley, as if they'd known each other their whole lives; the never-exhausted topics of conversation, the laughter, and then, at the end of the night, Jeremy following Anh's every move with his gaze. It had been painfully clear who he was interested in. Olive waved a hand and tried for a smile.
"Long story short, after Jeremy and I ended things he asked Anh out. She said no because of . . . girl code and all that, but I can tell that she really likes him. She's afraid to hurt my feelings, and no matter how many times I told her it was fine she wouldn't believe me."
Not to mention that the other day I overheard her confess to our friend Malcolm that she thought Jeremy was awesome, but she could never betray me by going out with him, and she sounded so dejected. Disappointed and insecure, not at all like the spunky, larger-than-life Anh I am used to.
"So I just lied and told her that I was already dating someone else. Because she's one of my closest friends and I'd never seen her like a guy this much and I want her to have the good things she deserves and I'm positive that she would do the same for me and-" Olive realized that she was rambling and that Carlsen couldn't have cared less. She stopped and swallowed, even though her mouth felt dry. "Tonight. I told her I'd be on a date tonight."
"Ah." His expression was unreadable.
"But I'm not. So I decided to come in to work on an experiment, but Anh showed up, too. She wasn't supposed to be here. But she was. Coming this way. And I panicked-well." Olive wiped a hand down her face. "I didn't really think."
Carlsen didn't say anything, but it was there in his eyes that he was thinking. Obviously.
"I just needed her to believe that I was on a date."
He nodded. "So you kissed the first person you saw in the hallway. Perfectly logical."
Olive winced. "When you put it like that, perhaps it wasn't my best moment."
"Perhaps."
"But it wasn't my worst, either! I'm pretty sure Anh saw us. Now she'll think that I was on a date with you and she'll hopefully feel free to go out with Jeremy and-" She shook her head. "Listen. I'm so, so sorry about the kiss."
"Are you?"
"Please, don't report me. I really thought I heard you say yes. I promise I didn't mean to . . ."
Suddenly, the enormity of what she had just done fully dawned on her. She had just kissed a random guy, a guy who happened to be the most notoriously unpleasant faculty member in the biology department. She'd misunderstood a snort for consent, she'd basically attacked him in the hallway, and now he was staring at her in that odd, pensive way, so large and focused and close to her, and . . .
Shit.
Maybe it was the late night. Maybe it was that her last coffee had been sixteen hours ago. Maybe it was Adam Carlsen looking down at her, like that. All of a sudden, this entire situation was just too much.
"Actually, you're absolutely right. And I am so sorry. If you felt in any way harassed by me, you really should report me, because it's only fair. It was a horrible thing to do, though I really didn't want to . . . Not that my intentions matter; it's more like your perception of . . ."
Crap, crap, crap.
"I'm going to leave now, okay? Thank you, and . . . I am so, so, so sorry." Olive spun around on her heels and ran away down the hallway.
"Olive," she heard him call after her. "Olive, wait-"
She didn't stop. She sprinted down the stairs to the first floor and then out the building and across the pathways of the sparsely lit Stanford campus, running past a girl walking her dog and a group of students laughing in front of the library. She continued until she was standing in front of her apartment's door, stopping only to unlock it, making a beeline for her room in the hope of avoiding her roommate and whoever he might have brought home tonight.
It wasn’t until she slumped on her bed, staring at the glow‑in‑the- dark stars glued to her ceiling, that she realized that she had neglected to check on her lab mice. She had also left her laptop on her bench and her sweatshirt somewhere in the lab, and she had completely forgotten to stop at the store and buy the coffee she’d promised Malcolm she’d get for tomorrow morning.
Shit. What a disaster of a day.
It never occurred to Olive that Dr. Adam Carlsen— known ass— had called her by her name.
Product details
- ASIN : B08T6XN4FP
- Publisher : Berkley
- Accessibility : Learn more
- Publication date : September 14, 2021
- Language : English
- File size : 3.2 MB
- Screen Reader : Supported
- Enhanced typesetting : Enabled
- X-Ray : Enabled
- Word Wise : Enabled
- Print length : 383 pages
- ISBN-13 : 978-0593336830
- Page Flip : Enabled
- Best Sellers Rank: #4,449 in Kindle Store (See Top 100 in Kindle Store)
- #37 in Workplace Romance
- #89 in Romantic Comedy (Books)
- #105 in Workplace Romance eBooks
- Customer Reviews:
About the author

Ali Hazelwood is a multi-published author—alas, of peer-reviewed articles about brain science, in which no one makes out and the ever after is not always happy. Originally from Italy, she lived in Germany and Japan before moving to the U.S. to pursue a Ph.D. in neuroscience. When Ali is not at work, she can be found crocheting, eating cake pops, or watching sci-fi movies with her three feline overlords (and her slightly-less-feline husband).
Customer reviews
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Learn more how customers reviews work on AmazonCustomers say
Customers find this book to be a fun, light-hearted read with relatable characters and chemistry between the protagonists. The writing style receives positive feedback, with several laugh-out-loud moments throughout. Customers describe the book as sexy in the right spots, though opinions on pacing are mixed, with some finding it well-paced while others say it's slow. The plot receives mixed reactions, with customers noting it's predictable and somewhat contrived.
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Customers find the book highly readable, describing it as a brilliant and light-hearted romcom that keeps readers engaged.
"...I felt it dragged a bit in places, but overall it was good. The STEM aspect was enjoyable. And Iiked her relationship with her friends...." Read more
"...and the content of The Love Hypothesis is honestly one of the best books I’ve read this year and doesn’t need all of the glitz and glam that some..." Read more
"This was the perfect read to get me out of my slump. It was quirky and sweet. Definitely recommend. I also love Ali Hazelwood." Read more
"Cute and light-hearted, an instant classic and comfort read!..." Read more
Customers enjoy the romance in the book, finding it cute and fun to read, with one customer describing it as a super cute true nerdy love story.
"...Steaming good. Normally I can skim but not in this case. Honestly glad I ignored my doubts and went for this read...." Read more
"...Even without this chapter, though, Olive’s story and growth are moving, and knowing the reveals at the end of the book, I would recommend re-reading..." Read more
"This was the perfect read to get me out of my slump. It was quirky and sweet. Definitely recommend. I also love Ali Hazelwood." Read more
"...There were the requisite ridiculously contrived scenarios that repeatedly throw the 2 people together that I always simultaneously adore and roll my..." Read more
Customers appreciate the character development in the book, particularly noting the realistic chemistry between the main characters and their vulnerability.
"...Loved everything about it. The character driven story. The suspense and most of all the heated chemistry between the two...." Read more
"...They help each other to find their best selves—even if they still have to overcome a few hurdles before they realize what they truly need...." Read more
"...I loved the main characters...." Read more
"...I really liked Olive's character, and even when she did things that frustrated me, I felt it just made her a more fleshed-out character...." Read more
Customers enjoy the book's humor, with several laugh-out-loud moments and witty dialogue throughout.
"...The two together in all their interactions were just sexy and funny and made me feel like they were made for one another...." Read more
"This was a cute and funny story. I enjoyed reading the inconvergence of science and romance coming together...." Read more
"This was the perfect read to get me out of my slump. It was quirky and sweet. Definitely recommend. I also love Ali Hazelwood." Read more
"...It's very easy to get into and smile and laugh while reading." Read more
Customers find the book cute, describing it as endearing and sexy in the right spots, with one customer noting that the intimate scenes were tastefully handled.
"...The two together in all their interactions were just sexy and funny and made me feel like they were made for one another...." Read more
"This was a cute and funny story. I enjoyed reading the inconvergence of science and romance coming together...." Read more
"Cute and light-hearted, an instant classic and comfort read!..." Read more
"...And let's speak a moment about the cover. The Illustrator is amazing and honestly, her cover is what sold me to take the leap and buy the book...." Read more
Customers enjoy the writing style of the book, finding it readable and fun to read, with one customer noting that the author does a skillful job.
"...He is this very straightforward person who doesn’t hold back except when it comes to his feelings with Olive...." Read more
"...I liked the friend group and the amount of humor and nuance in the writing. And let's speak a moment about the cover...." Read more
"...something up it hits them upside the head but when it does it was well written and the scientist can be just as passionate and romantic as..." Read more
"...at work - there's nothing steamy until later on, and the story is light and easy much of the time...." Read more
Customers have mixed opinions about the pacing of the book, with some appreciating the fast pace while others find it slow.
"...Want more pronto. Adam was just a swoon worthy MC and Olive was a doll...." Read more
"...3.5 star for rating, 1.5 for spice. I felt it dragged a bit in places, but overall it was good. The STEM aspect was enjoyable...." Read more
"...the bonus chapter read by Teddy Hamilton, and I enjoyed listening to the narration at normal speed...." Read more
"...it’s a super fast read, b) it’s highly addicting, and c) Adam and Olive’s relationship/banter is the best...." Read more
Customers have mixed opinions about the plot of the book, with several finding it boring and predictable, while one customer describes it as entertaining.
"...Even the "serious" storyline is really fluff because it lacks complexity. I liked the book, but I probably won't remember it in a year...." Read more
"...and it absolutely lived up to and absolutely exceed and obliterated all expectations I had...." Read more
"Spoiler alert. This was a good book, BUT it just ends. You’re not guaranteed a HEA. You don’t know what happens in the future...." Read more
".../ buildup chapters toward the end were actually incredible and the ending is nice." Read more
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The Love Hypothesis Review
Top reviews from the United States
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- Reviewed in the United States on May 10, 2025Wow have to say that I did not expect to love this story. To be honest I was so biased as I saw the high recommendations for it and twisted my lips over it being a STEM love story. I swore it would be a snooze fest. Well shame on me because Ali Hazelwood showed me the power of the smart and sexy package of STEM romance. Want more pronto.
Adam was just a swoon worthy MC and Olive was a doll. The two together in all their interactions were just sexy and funny and made me feel like they were made for one another.
Loved everything about it. The character driven story. The suspense and most of all the heated chemistry between the two. Also what a scorching hot finally get it on moment with Adam and Olive. Steaming good. Normally I can skim but not in this case.
Honestly glad I ignored my doubts and went for this read. Now I’m all aboard on this authors stories.
With the exception of the supernatural as that’s just not my thing but more of this please.
- Reviewed in the United States on May 25, 2025This was a cute and funny story. I enjoyed reading the inconvergence of science and romance coming together. I look forward to reading more by this author
- Reviewed in the United States on May 27, 2024I first read this book over a year ago, and I’ve revisited it at least three times now.
The Love Hypothesis is a contemporary romance set in the world of academia and told from the perspective of PhD student Olive Smith.
Olive possesses several traits that make her my favorite type of lead character—intelligence, resilience, and understandable flaws. She’s imperfect, but that gives her room to grow during the story. Hazelwood provides us with enough background to understand why Olive fears abandonment and feels a need to lie (she’s an orphan who lost her mother tragically and who struggles with relationships), but the plot never becomes weighed down by exposition.
Instead, the story jumps straight into a fake dating arrangement between Olive and the broody but brilliant Professor Adam Carlsen. If you’re looking for popular fake-dating tropes, this has what you need (forced proximity, sharing a room, pining, almost-strangers to friends to lovers). The lead characters share humorous and awkward moments as they try to act like a couple, but they also have heartfelt interactions.
While still occasionally “antagonistic and unapproachable,” Adam encourages Olive as she works on her projects and seeks new research opportunities. At the same time, you can see Olive help Adam to address some of his own fears and challenges. They help each other to find their best selves—even if they still have to overcome a few hurdles before they realize what they truly need.
Adam’s character growth may seem more subtle than Olive’s, but that goes back to the point of view. We see the story from Olive’s perspective. If you want more insight into Adam’s character, I highly recommend the bonus chapter from Adam’s point of view (available on the author’s website or in the audiobook). The first time I read the story, I went through this bonus chapter at the end, and I believe it added to my experience. Even without this chapter, though, Olive’s story and growth are moving, and knowing the reveals at the end of the book, I would recommend re-reading this one a second time.
One area that gives some readers and critics pause regarding this book relates to Olive’s sexuality. Olive struggles to define her sexuality, and I’ve read reviewers who believe she shouldn't have described her sexual uncertainty as having something “wrong” with her in one particular scene. I can understand where these reviewers are coming from, but I can also understand why Olive made these comments. It goes back to the flaws she’s dealing with from the beginning of the book. She lies to others—and to herself—to try to protect herself and not lose people. In the moment in question, she doesn’t want Adam to leave her, but she doesn’t know how to describe her sexual needs. Olive is not yet honest with herself or with Adam (because she’s still learning lessons at this point of the book), and I believe this is why Olive defines herself this way. She still needs to learn there is nothing “wrong” with her, and that people can love her without her telling lies.
Content Warnings: There is one scene with explicit sexual content (or two if you count the bonus chapter), and characters discuss sex at other times. There is also an assault, but not within the main pairing.
Audiobook: I’ve listened to the audiobook narrated by Callie Dalton with the bonus chapter read by Teddy Hamilton, and I enjoyed listening to the narration at normal speed.
Adaptations: A film adaptation of this book is currently in pre-production, so I may update this review once it’s released.
Lastly, for the Reylos out there (and I count myself among you), you’ll be able to see parallels between the pairing you love and the leads in this book, and you may have an easier time picturing the cast of characters. However, you don’t have to be a Reylo to enjoy TLH.
I highly recommend this book to any fan of romcoms in need of a fake-dating/pining/triumph-of-the-underdog story.
If You Liked This Book: You may want to try Hazelwood’s Love on the Brain, which also features an intelligent female lead and fun romance tropes.
Happy Reading!
- Reviewed in the United States on May 25, 2025Review written by teenage
I've been asking to read Ali's STEM Heroine books and my mom finally agreed. I read this in a day. I love the science representation because I'm a science girlie. I laughed. I screamed at a character who kept interrupting scenes when things were getting good. I loved the main characters. The who he's a teacher, she's a student thing was weird but then my mom explained how graduate school, TAs, and different types of teachers work.
I'm a very picky reader and I rarely give ⭐⭐⭐⭐⭐ but this deserves it. Can't wait to read more STEM girlies.
- Reviewed in the United States on April 26, 2025Okay, so I feel like this story could have quickly been cut short if at least ONE of the main protagonists freaking communicated for once on multiple occasions!
But to be honest, it didn’t make me enjoy the story any less.
Yes, the trope of super hot, tall, fit, heart-of-gold guy quietly and secretly pining for beautiful, quirky, ridiculously intelligent, also fit woman has been exhausted - but how else do we feed that romantic goblin in the recesses of our hearts that eats this cliche up?
As a woman in STEM, I related to lightly addressed issues of sleepless nights performing tedious research and the struggle of begging for money through grants. And don’t get me started on the endless meetings and reading endless scientific journals.
If I had to choose between the life a Hallmark YA novel vs. the smell of pond scum and raw fingers from pipettes, I choose the novel.
- Reviewed in the United States on April 21, 2025The book came with a few dents, but nothing too serious—and of course, Adam Carlson is so perfect that a little dent doesn’t matter at all.
The book came with a few dents, but nothing too serious—and of course, Adam Carlson is so perfect that a little dent doesn’t matter at all.
Images in this review
- Reviewed in the United States on May 2, 2025I liked this book. 3.5 star for rating, 1.5 for spice. I felt it dragged a bit in places, but overall it was good. The STEM aspect was enjoyable. And Iiked her relationship with her friends.
Before reading this book, I heard people saying it was unrealistic that people at Stanford could be inept or shy or whatever. As someone who works in STEM and has interacted with people at all sorts of universities and biotech, including Stanford, I can tell you that humans will be human everywhere, prestigious university or not.
Top reviews from other countries
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MistyReviewed in France on January 26, 2023
5.0 out of 5 stars Coup de coeur
Mon premier fake date, je trouvais ce thème trop cliché mais je me suis finalement lancée et j’ai adoré ! Plus que je n’aurais cru.
Des personnages un peu geek entièrement dédiés à leurs recherches, carrément coincés et peu conscients de leurs atouts respectifs se retrouvent à pactiser pour faire croire à leur entourage qu’ils sont enfin casés. Ce slow burn repose sur fond de course aux financements de recherches avec une dose de personnages mal intentionnés et de chantage pour pimenter le tout. Une lecture vraiment addictive et légère à lire au coin du feu avec une tasse de chocolat chaud.
- Ahana Rao (Heart’s Content)Reviewed in India on January 31, 2022
4.0 out of 5 stars Heart Warming and Humourous!
I think The Love Hypothesis by Ali Hazelwood highlights everything that a lot of us have come to love in romance.
The most attractive aspect of romance for me is the quiet moments that you can have with someone. Not just when you can be quiet with them and they with you, but the soft words you can exchange with them. Your darkest moments and deepest fears, spoken softly only for their ears.
A friendship that runs deep and a familiarity that’s both surprising and not. The Love Hypothesis brings all this to the reader and more. It delivers interpersonal relationships, friendships, day to day struggles and the strength to overcome them.
I’m usually not so fond of the fake-dating trope, simply because you can generally guess the direction everything heads in and know the typical stops the author will pull. However, I think my favourite part of the book is fake-dating tropes being mentioned in the book itself as a trope and all of them rolling their eyes about the rom-com happening in the life of the heroine (including the heroine). Ali Hazelwood calling out her own trope was a certainly fresh take on it and altered how it felt a reading about it. That being said, the relationship between the H and h mostly felt like a deep friendship with long held affection for one another. They slipped into that space rather naturally and it was like a warm cup of something held between my palms on a cold day.
The side characters were all what gave the book so much authenticity. Sure, they added to the humour and angst between the characters, but they also provided a sense of home and love for one another. They were the protagonists’ found family but that was not their only role. They had struggles of their own and personalities outside of being a supporting character. So much so that a spin off series on them wouldn’t be out of place at all.
The miscommunication trope is not my favourite and I didn’t enjoy it too much in this book either but it didn’t get dragged out and drive us mental for the most part which I’m thankful for. Also it created a lot of anticipation in the readers, waiting for the moment the miscommunication would clear.
Another very important an interesting aspect was handled in this book as well. Something that involved the heroine take a big and brave step. Just like the miscommunication trope, this part of the book created a lot of tension and makes the reader eager to see the resolution. However in both cases the chance to actually see the resolution properly felt robbed. We see the step being taken, but not the reactions as such? In the sense, after the step is taken, the next chapter starts sometime later, thus we only hear about what happened rather than see it. After having waited so long, I guess I felt a little disappointed.
However, The Love Hypothesis is a warm warm read. I highly recommend. Expect some tears, lots of laughter, feels and love.
Four and a half stars!
- DiniReviewed in the United Kingdom on January 9, 2022
5.0 out of 5 stars One of my fave books of 2021—giggle inducing banter, loveable characters, and a swoontastic romance!
I wasn't planning on reading this book through the night and being a zombie in the morning but y'know what? Olive and Adam are more than worth the dark circles and red eyes! I'm ngl, I went into this feeling more than a little nervous cos the hype is absolutely wild around it, but I'm beyond chuffed to say that it was *chefs kiss* and definitely lived up to all the hype! The academic setting, the endearingly awkward moments, the witty and cheeky banter, the CHEMISTRY! And bedroom Dr. Adam Carlsen? HELLO! It was unexpected (not sure why cos the man is fine) and it was hot AF. So wow (so wow)! 🥵 Like, I don't know if I can even form coherent and non-rambly sentences for this review because I loved it so much? I'm gonna try though but also who am I kidding? This is going to be rambly and gushing and probably a mess but I hope it convinces you to read the book! 😂
You know when you start a new book and almost immediately know, within the first few pages, that you're going to love it? That was this book for me! Hazelwood's writing is so easy to read and full of quirky and humorous moments that made it so difficult to put this book down. I was surprised to find that I also really enjoyed the academic setting and I liked that it wasn't just a 'background' aspect to the story but an integral part of it. Although I'm not familiar with the academic world myself, I could tell that Hazelwood was and that came through clearly in the writing and it was immersive. It's a cutthroat world and the misogyny is rampant, as evidenced by Olive's and Ahn's experiences, and I appreciated that Hazelwood doesn't shy away from the harsh reality of what it's like to be in academia in general but specifically to be a woman in academia, in S.T.E.M.
While the setting was great, it was the characters that won me over and I adored every single one of them. This book had such a fantastic cast of characters and I loved that the side characters felt well fleshed out too! I was immediately charmed by Olive's slightly chaotic and anxious but entirely adorable nerdy energy. She's wickedly smart and super passionate about her research into pancreatic cancer, but she's also witty and absolutely hilarious! She's a literal ray of sunshine and I loved being in her head so much that it was so easy to root for her success and happiness. I adored her friendships with Ahn and Malcolm, her ride or dies, and their friendly banter had me constantly laughing out loud (so much so that my sister asked me what I was reading that was so hilarious)! They were such a great group of friends and I loved seeing them achieve their dreams and finding their happiness alongside Olive. Now let's talk about the grumpy star of the show, Olive's long-time secret-admirer and everyone's favourite nightmare: Dr. Adam Carlsen. He's an absolute genius who takes his responsibilities as a science mentor very seriously and cares about his students and their success despite maybe not vocalising that in ways that people prefer. Underneath his gruff and intimidating exterior, he's loyal, so freaking cheeky and a total sweetheart, especially when it comes to Olive. I can't even describe the way my heart swooned at all the ways he was a simp for her but I am grinning big just thinking about it right now! Also, listen. I'm a big fan of hugely nerdy men that are hulkingly built (the contrast tho) and what can I say? This man was everything! And I mean, I already mentioned how knee-quakingly hot Adam is when he's unleashed in the bedroom so... I mean, I guess I'm just a fool for this man. 🙃
Although their fake dating kicked off pretty early in the story, the progression of their romance from strangers who tolerate each other on weekly fake dates to tentative yet adorable friends to swoontastic lovers was immaculately done! Watching them slip into easy, comforting, and totally cheeky banter the more they spent time together made me ridiculously happy. There's no doubt that Hazelwood does the slow-burn build-up extremely well and the more they got to know each other and found themselves in relationship-esque situations that had me squealing and giggling with utter delight, the more invested I became in their relationship. I mean, there was hand-holding, lap-sitting, sunscreen applying on naked backs!!! And I. Pls. I swoon. I cannot. I loved it so much and it's rare that I immediately want to go back and read the swoony bits the minute I finish a romance, but I immediately want to go back and read the swoony bits in this book already! 😂
I honestly don't know what else to say about this book other than to keep gushing about how swoony the romance was and how happy their interactions made me. I'm so glad that I finally shook off the nerves and dove into this because it was amazing. The only regret I have is that it's over and I already can't wait to read it again at some point because this has fast become one of my favourite romances—and definitely one of my top reads in 2021! All I can say is READ IT! Also, I thought I'd share some content warnings below because there are some topics and events that may be triggering for readers, so please read with care ❤️
CW/TW: Sexual harassment, mental abuse (between mentor/mentee, recounted), death of a parent (pancreatic cancer)
- seri.prawnReviewed in Poland on April 9, 2022
4.0 out of 5 stars my rating
3,75/5 stars
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María JeReviewed in Spain on March 20, 2025
5.0 out of 5 stars Ha sido un libro muy divertido
Lo he pasado genial leyendo este libro. Es el tercero que leo de esta autora y me está encantando su estilo.
Estoy deseando leer el siguiente.