What is the solution to problem in Peter Pan book?

The solution to the problem in Peter Pan is that Peter must learn to grow up and accept responsibility. He has been living in Neverland, a place where children never grow up, and he has been avoiding the real world. Eventually, Peter must come to terms with the fact that he cannot stay in Neverland forever, and he must return to the real world and accept the responsibilities that come with being an adult.