“You have to write about what keeps you up at night.”
“If your book doesn't keep you up nights when you are writing it, it won't keep anyone up nights reading it.”
“If your writing doesn't keep you up at night, it won't keep anyone else up either”
“You never have to change anything you get up in the middle of the night to write.”
“You never have to change anything you got up in the middle of the night to write.”
“Beginning to write, you discover what you have to write about.”