Marshall: I'd ask you how last night went, but we had a pop quiz today. Nobody got higher than a C-.
Barney: I know, I know.
Marshall: You claim to have so much sex, I only assumed you'd be good at it.
Barney: Look, I miscalculated. I thought she'd be old and fragile, like most cougars. But kitty's got claws. Don't worry though. Tonight, I'm seeing her again.
Marshall: Oh, just let it go, man. You're making things worse.
Barney: I promise you, after tonight, that cougar will be my pet, and I its master.