I mean, first, almost all writers these days teach because they don't make enough money publishing to live on, to support themselves - people like Tobias Wolff, Anne Beattie, Amy Hempel, Stuart Dybek; a lot of short story writers, for one thing.
When you're growing up, you play dress-up - it's a game, it's a pastime. And then as you get older, getting ready and looking nice becomes this constant stress. I want to make it fun again.