Ross: Hey, you know that smell gas has?
Caitlin: Yeah.
Ross: They put that in.
Caitlin: What?
Ross: The gas is odorless. But they add the smell so you know when there's a leak.
Caitlin: Well, okay.
Ross: A lot of other gas smells.
Chandler: Oh, the humanity.
Ross: Methane smells.
Caitlin: You know what? Actually, I really should go.
Ross: But I haven't paid you yet.
Caitlin: You know what, that's okay. You guys have ordered so many that this one's on me.
Ross: Was I talking to her about gas?
Chandler: More so than anything else.
Phoebe: I found it interesting.