— You know why they put oxygen masks on planes?
— So you can breathe.
— Oxygen gets you high. In a catastrophic emergency, you take giant panic breaths. Suddenly you become euphoric, docile. You accept your fate. It's all right here. Emergency water landing, 600mph. Blank faces. Calm as hindu cows.
— That's um... That's an interesting theory.
Narrator: Tyler, you are by far the most interesting single-serving friend I've ever met. ... See, I have this thing: everything on a plane is single-serving...
Tyler Durden: Oh, I get it. It's very clever.
Narrator: Thank you.
Tyler Durden: How's that working out for you?
Tyler Durden: Being clever.
Narrator: ... Great.