Literature and Writing Quotes in The Perks of Being a Wallflower

Sometimes, I read a book, and I think I am the people in the book. (1.10.2)

Charlie's taking empathy to the extreme here. And really, we don't want him to be Holden Caulfield. He's already depressed enough.

On that piece of white paper, Sam wrote, "Write about me sometime." (2.10.26)

Little does she know that practically every letter Charlie writes is about Sam.

I'm going to write it down because maybe if I do I won't have to think about it. And I won't get upset. (2.15.11)

What do you think? Is writing truly cathartic like that?