Allie's death, I feel, is the root of all of Holden's emotional problems. Holden never dealt with Allie's death and as a result Holden is emotionally and mentally disturbed. In chapter five he tells us how he had a nervous breakdown when Allie died and had smashed all the windows in the garage with only his fists. And in chapter 25, Holden still talks to his brother; he is crossing the street and starts to feel like he won't make it across to the other side. He says to Allie, "Don't let me disappear."�page 98 and when he makes it across to the other side he thanks him. I believe Allie was one of the few people in Holden's life the he genuinely cared about. You can see Holden doesn't have many close relationships, not even with his friends or roommate at Pencey Prep.
I believe when Holden was expelled from Pencey Prep it really hurt him even though he didn't like it there. Holden doesn't enjoy his classes, and he's only passing English. Holden is very bright, but he doesn't apply himself and has poor work habits. For example, he's failing all of his subjects, although he enjoys reading challenging literary classics. Part of the problem is that Holden has an inferiority complex. He feels that he is the only dumb member in his family and he can't live up to their expectations. Holden feels everyone at Pencey Prep is phony and he's overwhelmed and confused when he realizes that when innocence ends in children, the phoniness begins. He wants to preserve their innocence and sincerity because he values it so much.
Another situation causing Holden's