Sheldon: I read his research and ... it's leaps and bounds ahead of mine. Which means the mommy of the smartest physicist at the university is not my mommy as I thought. It's his mommy.
Amy: Sheldon, I wish there was something I could do to make you feel better. May I offer you a consoling hug?
Sheldon: What do we have to lose?
Amy: How's that?
Sheldon: I feel like I'm being strangled by a boa constrictor. Why did you stop?