What is the book saying about life?

The book, "The Catcher in the Rye," tells us a lot about life, mainly about the life of teenagers. Holden's long and hard journey teaches us that growing up is sometimes very difficult, especially when you are reluctant to do so. Holden reveals the struggles teenagers have to deal with on their road to adulthood. Holden, suffering from depression, shows teenagers, that they can get help, as at the end of the book he is placed in a mental hospital. As the novel finishes, Holden, realizes that he has to stop living in the past and move forward with his life and start thinking about his future. He also shows us that people are not black and white, and we shouldn't judge them so harshly. He realizes that he cannot always focus on critiquing everyone else and has focus on himself and let people find their own way. Holden teaches adults, as well, that you cannot save everyone. Usually, parents what to keep their children sheltered from the outside world and preserve their innocence, but at some point you have to set them free. Holden is a very complex character and can teach everyone something. Whether you are going through a rough time in life, if you have lost a loved one, or if you are just having trouble growing up, Holden teaches us that this is okay because everyone goes through struggles in life.