The Question and Answer section for The Catcher in the Rye is a great resource to ask questions, find answers, and discuss the novel.
WE never really find out much about Holden's parents. Holden seems to be isolated from them. They have money to put him in an expensive boarding school but it doesn't seem they take a direct interest in his life. They would probably be upset that...
This certainly makes sense but I think Holden was clinically depressed too.
Holden has issues that he has internalized. Mr. Antolini is trying to tell Holden that many great men have had internal conflicts but having a good education enabled them to turn them into poetry.