Thank you Netgalley for sending me an eARC of The Heart Principle for an honest review.


This book was fantastic. The author wrote that this book was not The Kiss Quotient and The Bride Test. This was so much more. I loved this book. Having worked with Autistic children and adults I could see exactly what Anna was dealing with. The only thing I couldn't comprehend was how her culture contributed to her diagnosis. Reading about Anna's struggle was tough, but absolutely worth it. I loved Anna and Quan's relationship. Quan was fun yet so serious. Reading about Quan's insecurities was so heartwarming because it made him feel real.


I did feel like the ending was a bit rushed, and I would have like a bit more closure between Anna and some of her family but I didn't mind the ending because it left it to my imagination.

I am sad to see this romance series come to an end. I loved reading about Autistic characters from an Autistic author. Highly recommend this series. One of my favorites

Writing 5 stars
Plot 5 stars
Spice 5 stars

This is Helen's best book yet. I loved her first two, read them obsessively but this one kind of destroyed me. When I wasn't reading, it's all I thought about. Her racially diverse and equally as important, neurodiverse characters are just so easy to fall in love with. I feel like I lived those years with them. It's easy to relate to them and feel what they felt. I've learned something from each book; about myself and about others. Like I said about her last book, what she writes is so much more than romance or fiction. She writes herself into each book and that makes it worth reading. I cannot wait until I can put this on my shelf and into people's hands. I would give it 10000 stars if I could.

Hoang always manages to deliver a book with the perfect balance of steam, romantic moments, and realistic plotlines. Her characters do not feel like carbon replicas of one another, but instead are unique and overcome their limitations in a way that feels organic and realistic. However, "The Heart Principle" takes this to another level as it delivers an even more emotional storyline that deals with some heavy topics, which include the mental burden of being a caregiver and burnout. This book made me laugh, squeal, and cry because Hoang put all of her vulnerabilities into this story and it felt deeply personal and intimate.

Readers walk with violinist, Anna Sun, as she experiences burnout and revelations about previously undiagnosed mental health issues. It is a painful but beautiful journey to watch her slowly learn about her diagnosis, begin to embrace the ways she is different, and honor her own unique needs even when her loved ones don't understand. Along the way, tattooed hottie Quan comes into her life showing her unconditional love and acceptance. When a family crisis upends everything, will Anna and Quan be able to fight for their chance at love?

This is the best romance book I have ever read. The main character had the most realistic people pleasing anxiety, her experience with major depression and anxiety felt so real and terrifying, and her complex feelings around caregiving connected like my own thoughts, even though I have never been a caregiver. I devoured this book in one sitting, the next day I was bleary-eyed from lack of sleep and distracted by my love of these characters. I didn't want this book to end and I loved the ending. The weaknesses of the leading man did not feel contrived, it felt equally complicating their relationship miscommunications, which I super appreciate as in romances it is usually mostly one character's fault and that always falls flat for me. Thank you NetGalley and Berkley for the pleasure of reading an advanced reader copy.

Helen Hoang poured her heart out in this one. It's deeply personal (as written on the Author's Note) and feels exactly that way.

Anna is struggling with her violin. After a video of her went viral, she went on tours and was written songs by famous composers. Now she can't make the strings play the way she used to, and every time she tried, it's as if the music gets lost somewhere in the process. She's seeing a therapist to help her connect with herself again; gain back whatever's missing. Quan's having a difficult year as well. After undergoing a life-changing surgery, he's left with self-doubts and feeling like less of a man.

This book isn't just romance. It's about masking your true self because of societal expectations, caring even beyond your physical, mental and emotional capability, learning to finally stand up for yourself after years of being stepped on, understanding your own weaknesses, being kind to yourself, and accepting that you also deserve what beautiful things you give out to the world. I loved that Hoang talked about caregiver burnout, Asperger's syndrome, toxic family members and life post-operation. I loved that both Anna and Quan were given the respectful amount of time that their characters needed to heal, grow and eventually move forward. It's a book that resonates and shows the hidden struggles that weigh us down, and the chances at love and happiness that we so often don't see in front of us.

Trigger warnings: anxiety and panic attacks, cancer, autism, suicide ideation, sterility

Thank you Netgalley and Berkley for the earc! The Heart Principle comes out on August 31st!

Helen Hoang takes a sweet and sexy love story between fan-favorite Quan and anxious violinist Anna and turns it into a book about so much more. I freely cried the during the second half of this book and Anna's pain and burnout was heart-piercingly real. Hoang is genuinely my hero for managing to depict the seriousness and sadness of mental health issues while still telling a love story that made my heart sing.

Disclaimer: I got this ARC in exchange for media coverage on pop-culturalist.com. It will be up closer to the release date.

This is the third book in the series and I really enjoyed all of the unexpected twists that I didn't see coming. I guessed one or two but it didn't ruin the book for me. I love Helen's writing style and I intend to have a more in-depth review in August!!

The Heart Principle was a beautiful and powerful story that I raced through reading. It was especially moving to read Helen Hoang’s author notes. I loved this novel!

I anxiously awaited The Heart Principle and literally squee'd when I saw the ARC on NetGalley. What I was not expecting, however, was how difficult of a read this would be for me. Overall, the book was excellent, but similar to what the author wrote in her note at the end of the book, being a caregiver at this point in my life is a draining experience, and reading what the MC was going through really cut through me on a deeply personal level. I was touched by the author writing her own experiences into this book, but like I said, this was a tough read for me. It was an excellent addition to this series, and I loved reading about Quan, but the rushed ending put a damper on the book for me.

Hoang will break your heart in this third installment of the The Kiss Quotient series.

I feel like I just ran a marathon. But with my feelings. This was very different from the other two books in this series, but still special. For starters, the commentary on burnout and perfectionism was too real.

I liked getting to see Anna heal - though she did have me ripping my hair out for about 30% of the book. Quan was Quan, but different, as well. I can't go into depth about it without spoiling but his development did have me making a sad face while reading. Suffice to say he's been dealt a bad hand since the last time we saw him in The Bride's Test.
(Also, Khai popped up but there was no mention of Esme!! I'm mildly outraged!!)

This book was sad, but real, and while I didn't love this story as much as the other two in this series, I commend Hoang for being so honest in her writing!

Big thank you to Berkley Publishing for sending me an ARC copy of this book!

✒️ Writing Quality: ★ ★ ★ ★ ☆
🖤 Characterization: ★ ★ ★ ★ ☆
😈 Playful Banter: ★ ★ ☆ ☆ ☆
📍 Plot: ★ ★ ★ ☆ ☆
🌶️ Smut & Spice: ★ ★ ★ ★ ☆
✈️ Running-through-the-Airport-Love Declarations: ★ ★ ★ ★ ☆
😇 Enjoyment Level: ★ ★ ★ ☆ ☆ .75
「 Overall: ★ ★ ★ ☆ ☆」

This book was very powerful, with many layers of nuance and several interesting subplots. There were heartbreaking moments that had me sobbing at 3 am. I couldn't put it down!

this was one of my anticipated releases of the year and i’m honestly so sad because i was disappointed by it. Quan was my favorite character in the trilogy and for his book to be my least favorite book hurts. i really don’t care for online dating as a romance trope because why would i read about that when i can just go experience it myself? i just expected something more fun and i did not get that.

I mean… I just… I don’t know how to write a review for a book I think is perfect. It’s absolutely amazing and there are only so many ways I can say that before it gets ridiculous. The Heart Principle is Hoang’s best work yet, and my new favorite of her Kiss Quotient series. I would and will wait years and years for content with this type of emotional depth and exploration.

It’s a romance novel, and I don’t want to throw that aside because her skill at writing the romance is superb, but I don’t want you to think of this as just another romance novel. It’s so much more. It’s so sincere and speaks to often ignored or overlooked issues. Nothing feels more real than Hoang’s characters. You laugh and cry and ache and dream for Anna and Quan as individuals and then again as a couple. There are wonderful layers!

But since it is a romance in addition to being a wonderful work of fiction (nearly full stop) let me also say that the sweet and sexy beginning is everything you would expect and more. Anna and Quan build a great relationship. And even when the tone of the story veers off partway through, making way for a much more serious and emotionally complex personal discovery and family driven plot, the foundation of their relationship that was established early on is what sees us through and brings the reader that heart.

I cannot recommend this book enough.

Thanks to Berkley and NetGalley for this eARC!

This book is deeply personal to Helen Hoang (the author's note is a must read), and it DID feel very raw to be in the main character Anna's head as she dealt with burnout and a family emergency. Though I ultimately liked it, there was a portion of the book that was very frustrating and I thought the resolution of the book needed more space to breathe. I'm glad that Helen is back!

This book felt very raw and real. I did grab this title expecting a rom-com, but this is something that features much more depth than the typical romance. I really appreciated the caregiving aspect as I think that there are a lot of people going through something similar or know someone in that position. I also really liked that the male protagonist was fighting his own battle of social expectations.

I devoured this book. Wholeheartedly. And I spent the latter half of reading it in a constant state of almost tears. If the first person narration and subject matter don't clue you in, this story was very clearly close to Hoang's heart, and it made the pain and joy that much more overwhelming as I was working my way through this plot. I could feel it as I was reading, and it swept me away until the last few chapters. There were parts of this book that resonated so painfully with me that I wanted to look away. Don't get me wrong--there was still happiness and romance (and QUAN), but I think it's really important to go into reading this knowing that it's not written like The Kiss Quotient and The Bride Test, and it really shouldn't be compared to them.

I adored The Heart Principle, but I did struggle with the "After" portion. I'm never very good with time-skips, and I wanted a little more of a peek into how Anna and Quan managed their relationship and connection after everything spiraled. I don't know, I guess I just wanted a little more from both of their POVs. It's like we were taken on a very long downward journey, but weren't given insight into Anna's upward journey. Maybe that's the point. Maybe this was never meant to be a story about being "better." It was something that was hard for me as a reader, though.

All in all, I thought this was a wonderful, heartbreaking yet hopeful book, and as long as you don't go into it with the assumption that it's a Kiss Quotient sequel, it's a great read. Please check the content warnings before you jump in though, because there are a lot more than Hoang's other two works.

Anna Sun needs a hug. After being an overnight musical sensation, the pressure makes her freeze from playing without picking apart her work. Not helping is her family (really her older sister), who wants her perfect. Then her boyfriend (who is the worse) wants to have an open relationship. Fortunately, this leads her to Quan, who can give the best hug in the world.

I love Anna. She was so hard on herself, and the people surrounding her were also so hard on her. When she finds out that she is on the autism spectrum, she can start forgiving herself, but her family refuses to deal with the diagnosis. When Anna's father suffers a debilitating heart attack that leaves him unable to move or communicate. The pressure for Anna to continue to be perfect goes into overdrive as she cares for her father. Pride won't let the family seek outside help. The book shows caretaker burnout realistically and painfully. The reason Anna doesn't crash is that Quan is her one bright spot.

Before I read this book, the publisher sent me an email warning me that this isn't a romance book in the usual sense. This is true. Anna and Quan are pure and adorable together. They're very open with their communication. Instead of dealing with their romance, most of the book deals with Anna's problems. There is nothing wrong with this. It works wonderfully. It's heartwarming to watch a man be a rock for a woman.

A note to Helen Hoang (I only include this because Anna's anxieties are based on Helen Hoang's): The reason people love your work is because you're true to yourself. I doubt writing in such a way is a mentally easy process to go through. Take your time. Be kind to yourself. Forgive yourself for having a difficult time.

This review is based on an advanced reader copy provided through Netgalley for an honest review.

This book, ya'll...its intense and personal, sometimes heavy, brutally honest...and real. It's got Helen Hoang's hallmarks, including the steam, but the tone is VERY different than her previous books. So don't go in expecting a light, frothy romcom.

Is it a perfect book? No, but I think that's part of its message....that people are messy and the road to HEA isn't always paved, it's sometimes filled with ruts and potholes. That even if you don't fit society's definition of perfect, happiness and an HEA are still for you.

Check the CW's before you dive in. In addition to the ones others have already called out I'll add that Anna is Chinese American and The Heart Principle also looks at the complicated attitudes Asian American families often have toward neurodivergence, mental health, and therapy. Filial piety and birth order play into this one, too, compounding Anna's issues with her family .

Anna's journey to advocating for herself is an arduous one, but you can't help but cheer for her and Quan once she gets there.

Helen Hoang is such an amazing writer. I have connected with her books and will continue to read whatever she writes. This one took longer to publish but she talks about why in an author's note in the back.
This is such a good look at anxiety and autism. Anna is struggling so much, but it is amazing to see her growth and learning to love herself and stand up for herself.
I loved the relationship with Anna and Quan and how it grew and developed. I loved that he took his time with her and got to know her and showed her he really cared and really didn't care if she had certain eccentricities. I liked how they worked together to be more confident in the bedroom with each other. Quan has issues himself after having cancer.
I liked how we got a look at both of their sides of the story. I liked seeing Michael again and would have loved to see some of Esme and Khai too. But maybe there will be more books will all of these characters
This book is hard to read at some points with Anna's circling struggle and the suicide ideation, but it is so open and honest and real and that's what I really love about Helen Hoang and her characters. I think it is so brave of Hoang to include parts of herself within this story and these characters.
I wanted a little bit more closure with Anna and her sister Priscilla, but I understand that the ending of this book was really hard for Hoang to write.
This is a really amazing story and I look forward to reading anything Hoang writes in the future.

Thank you NetGalley and the publisher for this ARC!