After collecting 20,307 letters written by people all over the world to their exes, I selected 139 letters from 41 different countries and compiled them into a book.

From crushes, situationships, exclusive relationships, and everything in between, Letters to Your Ex is full of love, pain, grief, and acceptance.

Behind WhyWithCai

After going through a breakup at the end of 2021, I decided to start sharing my questions and thoughts on life, relationships, and heartbreak with the world.

Learn More