Future Ted: [v.o.] Kids, I think I've told you about Karen. She was my girlfriend in high-school, and intermittently through college. She was beautiful, smart. I was madly in love with her. The only problem was, Marshall and Lily were not. I think it had something to do were every time Karen opened her mouth.
[flashback to Ted, Karen, Marshall and Lily in their college dorm room:]
Karen: I love that you guys live in a dorm. It's so American. It's like let's all eat baloney sandwiches and be racist.
[present:]
Lily: Oh my God. She was such a douche.
Marshall: Dude, she was the heiress to the Massengill fortune.