Future Ted: [v.o.] Kids, the secret to dating is very simple: be confident, be comfortable in your skin, be assured of who you are. Barney was really good at that last one, even though a lot of the time who he was was someone else.
[Barney is wearing SCUBA gear at MacLaren's]
Lily: Hi. Do you see that guy over there in the scuba suit? You thinking of going and talking to him?
Claire: No.
Lily: Good. He's seriously the biggest jerk on the face of the earth.
Claire: How do you know him?
Lily: Oh, he's one of my best friends.
Claire: So what's with the scuba suit?
Lily: Well, it's a long story. He just went through a breakup...