One of the things I have tried to do with this book and with all of them really is avoid that simple, easy, reductionist view of motivation and to show we do things for a complex net of reasons, a real braid of reasons.
Play difficult and interesting things. If you play boring things, you risk losing your appetite. Saxophone can be tedious with too much of the same.
For a number of years, I'd been around the kind of people who financed movies and the kind of people who are there to make the deals for movies. But I'd always had this naive idea that everybody wants to make movies as good as they can be, which is stupid.