[Waves it away. He can handle this much, and doesn't think he can drink any more.]

Mutual invested interest in not dying horribly. And because he's the only guy in the world who gets the jokes, you know?

Plus, black powder fan or not, he paid for all the extras and has one hell of a memory, which really comes in handy. After sixty years, there's a lot that I don't remember. I'm an old man, you know.