Penny: Sheldon, maybe you don't know what to do because Amy's always taking care of you.
Sheldon: Of course. And by calming down, I've taken away the one thing that gives her comfort: caring for me.
Penny: That's what you heard?
Sheldon: Yes. I need to have an emotional meltdown so she's forced to focus on me and forget about herself.
Leonard: No. Th-That's not even close to what-- Uh, you know, actually, that might be your best move.