Anger is a good motivator for writing

Terry Pratchett once told Neil Gaiman that he’s very angry, angry at the stupid things people do, at the state of the world we live in, and so on, and that to cope with his anger he writes it all out into his books, and laughs at it. That’s why he wrote so many of them, and why they’re so funny. His humor drips with satire and sarcasm and hidden fury. It was this fury that powered his writing. I’m paraphrasing this, of course. 

Read about it in more detail in this article, where Nail Gaiman...