Libby: What are you doing?
Tam: What do you think I'm doing?
Libby: Move your arm before I rip it off.

Libby: I don't think so.
Doug: I gotta pee.
Libby: That's your problem. Keep moving.

Tam: It got a little uncomfortable.
Sheldon: Why is that?
Libby: Libby's got feelings for me, but I think it's better we just stay friends.

Mary: You smoke marijuana?
Sheldon: Mom!
Libby: No, ma'am.
Tam: Just say no. [Mary shoots him an unimpressed look]

George: Oh.
Georgie: Oh, what?
George: You didn't mention she was black.
Georgie: Was I supposed to?
George: No, 'course not.
Georgie: Then why bring it up?
George: It just wasn't what I was expecting.
Georgie: What were you expecting?
George: It's a big school. Why are you right here?
Georgie: They've got some books in there about Martin Luther King. Maybe you should go read one.

Adult Sheldon: It's called perfect cleavage when gypsum separates this cleanly. I was so proud of Tam for not making an immature cleavage joke.
Tam: Look at me, I'm touching cleavage.
Adult Sheldon: Until he made one.