Phoebe: Uh, hello, this is Ross Geller's personal physician, Dr. Phalange.
Mrs. Waltham: Who?
Phoebe: Yeah, I've discovered that Ross forgot to take his brain medicine. Uh, now without it, uh, in the brain of Ross, uh, women's names are interchangeable, through no fault of his own.
Mrs. Waltham: Oh, my God, Phoebe!
Phoebe: No, not Phoebe, Dr. Phalange. Oh, no! You have it, too!