Amy: Oh, great! I've always wanted to play Dungeons and Dragons.
Sheldon: Yeah, oh, Im sorry. I should've mentioned this earlier. You're not invited.
Amy: Why not?
Sheldon: Amy, from time to time, we men need to break free from the shackles of civility and get in touch with our primal animalistic selves.
Amy: By rolling dice and playing make-believe with little figurines?
Sheldon: Yeah, like a bunch of savages.