Agreed with your first point, and to extend with some of my thoughts: I think there is a unique motivation from depression, anger, and other unhappy thoughts. I

Agreed with your first point, and to extend with some of my thoughts: I think there is a unique motivation from depression, anger, and other unhappy thoughts. It feels like (although I don't have hard data) that most of the famous and prolific artists (writers, painters, musicians, comedians) turn out to be the most depressed and mentally unstable of us all.