I was penpals (snailmail) with a guy who thought he was my boyfriend, years and years ago. This was in middle school. He got my number and called my house, asked my mother who I was with when I wasnt home, and asked for their numbers. He also told me that if he thought I was with someone else, he'd show up at my house with a baseball bat and beat us both. He lived in New York (or maybe New Jersey). Thankfully, he went away. After that, I only used a P.O. box to write to people, and a pseudonym. This was before the big internet boom.