Holden, who by this time is acutely depressed and near the breaking point observes that "I looked exactly like the guy in the article with lousy hormones".
Because
Phoebe correctly infers that Holden longs to be a "catcher in the rye," someone who protects children from falling into the metaphorical "cliff" of adulthood. However, she becomes upset when realizing Holden is struggling and cannot fulfill this role for himself or others, reflecting his vulnerability and inner turmoil.
Antolini upsets Holden by making a pass at him while he sleeps, causing Holden to feel betrayed and confused about their relationship. This betrayal shattered Holden's trust and respect for Antolini, leading him to question the sincerity of their friendship.
Holden accidentally breaks the record he was playing while retrieving the scissors from his closet, leaving him feeling even more upset and isolated.
Stradlater criticizes Holden for the composition he writes for him, as Holden had written about his own brother Allie's baseball glove and he feels the topic is inappropriate. Holden is very protective of anything related to Allie and he becomes upset and defensive when Stradlater insults his work.
Mr. Antolini upsets and scares Holden when he pats him on the head while he is sleeping, as it crosses Holden's personal boundaries and makes him feel uncomfortable. This physical gesture, combined with Mr. Antolini's drunken behavior and his comments about Holden's inability to take advantage of opportunities, leaves Holden feeling vulnerable and distrustful.
Holden says he broke all the windows in the garage out of frustration and anger. He was upset and feeling overwhelmed by his circumstances, leading him to impulsively lash out. Breaking the windows was a way for Holden to release his pent-up emotions.
Holden is upset because he views the profanity as a symbol of the adult world's corruption infiltrating the innocence of childhood. He is protective of children and resents the hypocrisy and phoniness of adults around him. The curse words on the wall represent the loss of purity and authenticity in the world, which Holden finds distressing.
It could be hormones. It could also be that you are overtired. When you're tired you're usually cranky.
Dr. Thurmer told Holden that life is a game and one must play by the rules in order to succeed, upsetting Holden because he sees it as insincere and hypocritical - particularly given the phony and superficial nature of the school community at Pencey Prep. Holden values authenticity and dislikes anything he perceives as fake or artificial.
Stradlater punched Holden because Holden was hitting him as well. kept calling Stradlater a moron even though he warned Holden to stop many times. ( i also think its a pet peeve or something because in the book, it said "All morons hate it when you call them a moron."[ch. 6])
he didn't want the little kids to see it and start using it, therefore making them "unclean" and losing their innocense