Barney: Getting back together as friends. I like that.
Robin: One more for the road? [Barney and Robin kiss]
Barney: And, I mean, who knows, maybe when, like, you turn 40, if you haven't found anyone...
Robin: I already have that deal with Ted.
Barney: Oh! Right. Stupid. Well, maybe when you turn 39, if you haven't found anyone...
Future Ted: [v.o.] It turns out that they really did just need to let things run their course.