They used to say it was bad for Indians to drink but it's bad for anybody. When they drink they lose their cool a lot of us. Like when we played with Sonny Boy I would never get paid you know. He would drink up all the money.
If you think of a work of fiction as a kind of scale model of the world then the positive valences - where things turn out better than you thought they would - ought to be in there somewhere too.
