When I was 17, my brother and I shared a room. He was 20 and dating like crazy. We were both 6’4” and were in reasonable shape, particularly Bob who was into playing basketball and was also part of the rowing team, while I was always walking or riding my bike. One after noon, we were alone in house and Bob took a shower. He came out of the bathroom naked, rubbing his head with a towel. I saw his pubic hair framed cock, ha...