Ross: Don't you realize none of this would've ever happened if I didn't think at that same moment you were having sex with Mark?
Rachel: Alright. Let's say I had slept with Mark. Would you have been able to forgive me?
Ross: Yes, I would.
Rachel: You'd be okay if you knew that Mark had kissed me, and been naked with me, and made love to me?
Ross: (hesitating) Yes.
Rachel: If you knew that our hot, sweaty, writhing bodies were...
Ross: (covers his ears and bellows) La-la-la-la-la-la-la-la-la-la! Okay, okay, yeah, I would have been devastated but, I would still want to be with you. Because it's... I mean, it's you.