Leonard: Oh, a little Red Dead Redemption, huh?
Sheldon: Yes.
Leonard: How come you're not doing a mission? You're just wandering around.
Sheldon: Had a rough night. I thought I'd go for a walk and clear my head.
Leonard: Some people go outside and do that.
Sheldon: It's after nine o'clock, at this hour the streets of Pasadena are teeming with drunken sailors and alley cats.