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.
I've been drinking tequila for a long time now, and it's never been about drinking to get drunk. I don't do that. I never drink tequila during the day, and I don't drive at night.