He takes out a cigarette and offers one to me. "I try not to indulge. It's a filthy habit," I tell him. "I love that word filthy. I love the way you force it out of your mouth like it's some kind of vermin you want to get rid of." "You've had vermin in your mouth?" "You're mean in that way, you know. You don't let anyone get away with pathetic analogies.