Quote from Phoebe in The One with the Secret Closet
Monica: Hey. What's up? Phoebe: Well, I left my guitar here again. Monica: Okay. No problem. [closes door] Okay. Here you go. [Phoebe knocks, Monica opens the door again] What? Phoebe: So you want to hang out or something? Monica: Phoebe, you kind of caught me at a bad time. Phoebe: Oh, are you and Chandler...? Monica: Yes, exactly. Phoebe: Do you guys want me to play for you? Monica: No. Chandler: Hey, Pheebs, what's up? Phoebe: You ask an intriguing question, Chandler Bing.