When he returns, Phoebe has calmed down somewhat, but her first remark to him is nevertheless a reiteration of her insistent prophecy, "Daddy'll kill you." She finally relents enough to ask him passionately, "Oh, why did you do it?" Holden then takes the opportunity to unburden himself of some of the "million reasons" for his misery-mainly the overwhelming phoniness and meanness of his classmates and the world at large.
And the funny part is she knows, half the time, what the hell you're talking about. She really does."
Phoebe urges self-control,"Stop swearing" and leads him to confront his feelings about their dead brother, Allie, and perhaps most importantly, she reveals to him that he has been misremembering the words to the song "Comin' Thro the Rye," which fed his fantasy of being the "catcher in the rye"-a revelation that will be the seed of his final acceptance of the universal and inevitable loss of childhood innocence.