Richard Lewis has this incredible ability to look like he's just... you know it's an act that's been honed. What you have to do in standup is create spontaneity, somehow; even though you've done this act a million times, you gotta look like you're almost just thinking of it now, to make it entertainer.
About the 50th hour, I was going to start thinking about the edge of the universe. Is there an edge? Is this an envelope we're living inside of, or no, does it go onto infinity in both time and space? And there's nothing like swimming for 50 hours in the ocean that gets you thinking about things like this.