Lily: Since this might be the end, I gotta confess something. Can I?
Barney: Might as well.
Lily: Barney and I have been doing the wild thing... this whole time. Except a brief period last year when he was shacking up with Marshall's mom. But luckily, three-ways were on the menu, so...
[present:]
Robin: Marshall, you know she didn't say any of that, right?
Marshall: I know, but I just want to slap him so bad! But that tie is so stupid! But the slap would feel so good! But he hates that tie so much!