First Time Penis

When I was 13 my male cousin, who lived on a farm and was also 13, and I would play in the large barn when my folks visited. My breasts were beginning to develop and this one time it was obvious from looking at his shorts that he had an erection. As we sat on a hay bale he said he'd show me his if I showed him mine. Heck, I was curious. I had never seen a guy's penis. So I said yes and he immediately wanted to see my breasts. I told him we had to show together, so as I fulled off my top (no bra in summer fun), he pulled down his pants and underpants. Boy, he was stiff. He said he would let me touch it if he could touch my breasts. So I let him feel my breasts as I touched his penis. He came in my hand almost immediately. Needless to say, we did a lot of touchy-feely stuff that summer.