How does holden react to Spencer's wishing good luck?

Holden Caulfield reacts to Mr. Spencer's wishing him good luck with a mix of cynicism and inner turmoil. He feels a sense of disconnect, interpreting the gesture as somewhat insincere and emblematic of the adult world's phoniness that he often criticizes. While he recognizes the good intentions behind Spencer's Words, Holden is also burdened by his own feelings of isolation and confusion about his future. This reaction underscores his deep-seated struggles with relationships and his growing alienation.