Humiliation

This is a story about me and my grandpa. My grandpa Joe was in his 60s, bald, tall and had a hunky bear body. He was really strong. He was also really hairy. I was a chubby 16 year old. Big ass and hanging man boobs. I was a smooth hairless boy. I had a tiny cock. I also had no knowledge of sex or anything. I never even masturbated, the only time i came was during wet dreams. One day i was told by my family to go and stay with Joe. Joe was getting old and needed some help...