The Heart Principle by Helen Young is a very heartfelt romance book about Quan and Anna's story. Anna is in an intimate relationship with her boyfriend, she does stuff FOR him and then he decides to tell her he wants an open relationship.. it's not really Anna's scene but she's a people pleaser, she will literally do anything in order for someone else to be happy even if she's unhappy, so she agrees. So then she decides if he can sleep around with people then so could she. That's how she meets Quan, a motercycle guy, with tattoos all over, buzzed hair, you get the memo, he's HOT. They end up meeting on a dating app, they decide to meet up one night, and then the one night stand turned into two, which turned into three, and next thing you know they're falling inlove. But she is still in an open relationship so... Their emotional connection in this book is so good and this book is so nicely done. I swear you won't regret this book, i would 100% recommend this!!