Penny: Okay let's try this. Think of yourself as one of those limited edition toys people like to collect.
Sheldon: I already do.

Penny: Come on, looks don't matter to Sheldon. [pause] Because he only has eyes for you!
Amy: Nice try.
Penny: Thanks, I was scrambling.

Raj: What just happened?
Howard: A stranger just lured Sheldon away with a candy bar.

It's so strange. Earlier today, I ended a sentence with a preposition, and you weren't there to correct my grammar.

Amy