The Question and Answer section for The Perks of Being a Wallflower is a great resource to ask questions, find answers, and discuss the novel.
Most people believe that Charlie is writing to himself. I have always believed that he was writing to an "ideal", someone he believed would listen if given the opportunity to share his thoughts. The person might not be real..... but that didn't...
Charlie feels that these times bring on an intensity of emotion that he can't handle.
Charlie goes to the Rocky Horror Picture Show multiple times. Do you have a chapter number for your question?