“I was mad at Percy. I was also mad at Charlie,” she says. “I think that in every book you kind of put yourself in their shoes, and if I was on and off with somebody, but my sister knew that I absolutely adored them, and my sister went to do it, I’d feel more betrayal from my sibling.” Fortune says she didn’t set out to stir controversy. She wanted to write about the “drama” of two people who have touch. “I was like, ‘Why would these two people have lost touch?’ And then it just came to me.