Quote from Lily in The Naked Man
Lily: You're not the only one who rocked The Naked Man tonight. [flashback to Lily naked in the apartment:] Marshall: You just want to do it to change the subject. Lily: Yeah. Hey, that's number 49! Did it work? Marshall: It's like I just flossed. Lily: I love you. Marshall: That's 50. Lily: Oh, yeah...