(He points to Robin who is entering the bar, with greasy hair and dirty clothes) That is what "shields up" looks like. (He takes $20 out of his wallet)
Barney: Fine. (She come over Ted and Barney's table) Hey. A girl... Barney: Where is Marshall anyway? Cindy had a roommate. Each one has a hotness expiration date, and you've hit yours. Ted: What... You can't call dibs on a girl I've been sitting here thinking about maybe talking to eventually at some point.
Plan: A: Ted; Q: Who realizes that Cindy is the roommate of his future wife? A: Barney; Q: Who does Ted argue with about who has "dibs" on a hot girl? A: Robin; Q: Who is heartbroken over Don? A: Marshall; Q: Who can't keep quiet about his desire to start a family? Summary: When Ted and Barney argue about who has "dibs" on a hot girl, Ted realizes that she is there with Cindy, a girl he previously dated who is also the roommate of his future wife. Meanwhile, Robin is heartbroken over Don, and Marshall can't keep quiet about his desire to start a family.