Ross: Hey, while we're on that when are you gonna tell my sister that you don't live here anymore?
Monica: I think on some level, she already knows.
Ross: Phoebe, she doesn't know you sneak out every night. She doesn't know that you sneak back every morning. And she doesn't know that you've been living at your grandmother's for a week now.
Phoebe: Okay, well, maybe not on those levels.