You read about yourself in your brother/sister, girlfriend/boyfriend’s diary. What did you read?
He knew he shouldn't read it. It was private, her own personal diary. She was always scribbling away in it, telling her secrets to it's pages. It was rare that she left it, but there it was, sitting on the dresser beside their bed. She must have forgotten to put it in her bag when she left. He picked it up without really thinking, just quickly flipping through the pages. He didn't intend to read it, but something caught his eye as he flicked past a page. His name. Curiosity got the better of him and he scanned the page for where he saw it.
Peter can never know.