Leonard: It's not just Howard and Bernadette. I mean, look how far we've all come.
Penny: Hmm.
Stuart: You two got married.
Amy: Sheldon and I are living together.
Sheldon: But if my mom asks, we have bunk beds.
Leonard: Penny was a struggling actress when we met, and now she's a successful pharmaceutical rep.
Penny: Okay, you don't have to say "struggling" every time. You can just say actress.
Stuart: Howard went to space.
Amy: Bernadette got her doctorate.
Leonard: Sheldon, Howard and I are working with the government on our quantum gyroscope.
Amy: We've all come a long way. There's a lot to be proud of.

Amy: Okay, what is going on?
Penny: We just want you to be prepared for any surprises that could happen tomorrow.
Amy: What surprises?
Bernadette: We don't want to spoil anything, but you should know that Sheldon said he's ready to be physical.
Amy: You shut your damn mouth! You actually heard him say this?
Penny: Yes, he said he wants to do something to show you how much you mean to him.
Amy: I can't believe it. I don't know what to say.
Bernadette: Well, we're really happy for you and we know how much-
Amy: I do know what to say. Let's get me waxed!

Sheldon: Sheldon Cooper does not get lucky.
Amy: You and me both, brother.

Amy: I guess it must have been back when I was in the Girl Sprouts.
Bernadette: Girl Sprouts?
Amy: My mom made it up as an alternative to the Girl Scouts. She didn't want me selling cookies on some street corner like a whore.

Amy: What is this?
Sheldon: A functional MRI of my brain. I did Sudoku before they took it so I'd be ripped.
Amy: I love it. Thank you.
Sheldon: And it's not just an MRI. The orbitofrontal cortex is lit up because I was thinking of you.

Penny: Howard and Bernadette's kid might be born on your birthday. How cool is that?
Amy: Yeah, but I thought this baby was supposed to ruin their sex life, not mine.

Raj: Don't come to the hospital. We're headed home.
Penny: Oh, that was fast. Did she sneeze the baby out?