Robin: Yeah. Hey, what's my 'but'? You know, I'm really nice, but...
Ted: [inner monologue] But she's afraid of commitment.
Lily: [inner monologue] But she's a gun nut.
Barney: [inner monologue] But she's Canadian.
Marshall: [inner monologue] But she didn't like Field of Dreams.
Barney: I can't think of anything.
Ted: You don't have a 'but'.