Ali Hazelwood Spicy Chapters: The Love Hypothesis, Love on the Brain, and Love, Theoretically

Ali Hazelwood Spicy Chapters
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Bookish Goblin Team

Staff Writer

Published

July 15, 2025

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As a self-proclaimed Ali Hazelwood connoisseur (see Problematic Summer Romance Review, Bride Review, Deep End Review), I truly find her to be one of the top romantic comedy writers of our time, and absolutely the queen of STEMinist romance. In case you’re not familiar, Ali Hazelwood writes STEM rom-coms featuring brilliant women and men who fall firstโ€ฆ and fall hard. Weโ€™re talking pathetically, deliciously, down bad.

Of course, a well-educated reader always knows where the spice is hiding, whether itโ€™s to hunt down those steamy scenes or adjust the experience with a closed-door mindset. Either way, please enjoy this Ali Hazelwood spicy chapter guide, covering Love, Theoretically, The Love Hypothesis, and Love on the Brain.


The Love Hypothesis Spicy Chapters

Ah yes, The Love Hypothesis, Ali Hazelwoodโ€™s debut STEMinist romance, where Olive, a biology PhD student, kisses the grumpy professor in the department, Adam, to convince her best friend to go out with Oliveโ€™s ex-boyfriend (whom she couldnโ€™t care less about). Of course, Adam and Olive end up in a classic fake dating situation, complete with increasingly absurd public displays of affection, all so that Ann can date Jeremy without feeling guilty.

This book is quirky, wholesome, and genuinely funny, but it also contains a very reasonable amount of spice for anyone curious about the heat level.

Fun fact: The Love Hypothesis was one of our first-ever reviews on this website, so it’s especially special for us.

The spicy chapter list in The Love Hypothesis for closed-door modification or to jump to the spice and heat:

How spicy is The Love Hypothesis?

๐ŸŒถ๏ธ๐ŸŒถ๏ธ

  • Chapter 16
  • Chapter 17

What's your favorite Ali Hazelwood book?

What's your favorite Ali Hazelwood book?

The Love Hypothesis
34 votes
โ€ข
30.4%
Love on the Brain
6 votes
โ€ข
5.4%
Love, Theoretically
16 votes
โ€ข
14.3%
Check & Mate
7 votes
โ€ข
6.3%
Bride
10 votes
โ€ข
8.9%
Not in Love
6 votes
โ€ข
5.4%
Deep End
20 votes
โ€ข
17.9%
Loathe to Love You
0 votes
โ€ข
0%
Two Can Play
1 votes
โ€ข
0.9%
Problematic Summer Romance
12 votes
โ€ข
10.7%
Total votes: 112

Love, Theoretically Spicy Chapters

Love, Theoretically, also known as my favorite ever Ali Hazelwood book, is the story of Elsie, who fake dates (lol yes, Ali has a theme) Jack, a grumpy theoretical physicist. Elsie and Jack are immediately drawn to each other, and things get even more complicated when Jack finds out Elsie is covering for her brother as his fake girlfriend and is also interviewing for a job in Jackโ€™s department. Naturally, Jack would prefer his close friend to get the position instead of Elsie.

I donโ€™t want to give too much away, but Jack is considerate, assertive, and just the right amount of possessive. Basically, heโ€™s everything you want in a romantic comedy MMC.

How spicy is The Love Hypothesis?

๐ŸŒถ๏ธ๐ŸŒถ๏ธ๐ŸŒถ๏ธ

The spicy chapter list in Love, Theoretically for closed-door modification or to jump to the spice and heat:

  • Chapter 19
  • Chapter 21
  • Chapter 23

Which Ali Hazelwood books have you read?

Which Ali Hazelwood books have you read?

The Love Hypothesis
542 votes
โ€ข
79.8%
Love on the Brain
385 votes
โ€ข
56.7%
Love, Theoretically
448 votes
โ€ข
66%
Check & Mate
265 votes
โ€ข
39%
Bride
277 votes
โ€ข
40.8%
Not in Love
331 votes
โ€ข
48.7%
Deep End
464 votes
โ€ข
68.3%
Loathe to Love You
181 votes
โ€ข
26.7%
Total votes: 679

Love on the Brain Spicy Chapters

Love on the Brain follows Bee as she begins working with an engineer named Levi on a neuroscience project at her new job with NASA. But thereโ€™s a catch: Bee and Levi went to school together, and Bee is convinced that Levi has hated her since their very first meeting.

Thereโ€™s close proximity, a bit of a behind-the-scenes scheme, and lots of delicious brain science. Out of the three Love books, this one is my least favorite, but itโ€™s still a fun ride. And I absolutely loved the engineering bits in this one.

How spicy is The Love Hypothesis?

๐ŸŒถ๏ธ๐ŸŒถ๏ธ๐ŸŒถ๏ธ

The spicy chapter list in Love on the Brain for closed-door modification or to jump to the spice and heat:

  • Chapter 16
  • Chapter 17
  • Chapter 18

What kind of content would you like to see more of?

What kind of content would you like to see more of?

New & upcoming book releases ๐Ÿ“š
119 votes
โ€ข
77.8%
Reviews & recaps (with โœจopinionsโœจ)
50 votes
โ€ข
32.7%
Themed recommendation lists (e.g. cozy fall reads, enemies to lovers, golden retriever boyfriends etc.)
73 votes
โ€ข
47.7%
Reading challenges / quizzes / bingo
38 votes
โ€ข
24.8%
Other! (Drop it in the comments ๐Ÿ’ฌ)
5 votes
โ€ข
3.3%
Total votes: 153

That’s all the romance scenes in Ali Hazelwood’s original trilogy! As fall approaches don’t forget to check out Mate!

We’re almost wrapping up her entire catalogue with Check & Mate and her anthology series remaining, so make sure to sign up for our newsletter to be notified when we post our all time rankings of Ali Hazelwood universe!

What’s your favorite Ali Hazelwood book? Let us know in the comments!

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