Sheldon: Well, how nice. Everyone's doing impressive work.
Leonard: What have you been working on these days?
Sheldon: Whoa, whoa. Where'd that come from?
Leonard: Where did what come from?
Sheldon: (stammers) I try to be supportive, and you break out the hot lights and the rubber hose.
Leonard: I just asked what you've been working on.
Sheldon: Oh, my God, let it go. Do you believe this guy?