When I was 13 and in a camp ground shower these two guys who were in high school asked me how old I was. After I told them one of the guys said, "dang your dicks bigger than ours." I didn't really understand what they were talking about. I mentioned it to one of my friends and we ended up comparing and I was a lot bigger than him. He told some other friends and then for a while they were all asking to see my dick and I would always only if you show me yours too.