Shit, that made mom just a couple years younger than me!A door slammed somewhere, drawing me from my shock and I glanced up, seeing my grandmother's f...ce and the expression of disapproval that came over it. I got to my feet, brushing the dirt from my jeans as I walked toward the house, curious about what was going on."Corinne Anne McGivens," Grandma was yelling. Corinne was my mom. I couldn't help the curiosity that sent me closer to the window. "... an hour an a half ago. You'd better have a. Two blocks later I stopped and looked up at the stars. I thought about Karen; the excited look on her face when I had asked what she was thinking about, the disappointment when I stood over her for a brief moment between pushing her off me and walking away. I lit a cigarette and turned around. At the time I had not decided whether or not to go through with the dare. I just didn’t want to leave Karen feeling disappointed. We’d been through so much together and, in all honesty, this was our first. I was in the living room watching tv when sis came in and sat down next to me.She said "We've been talking about boy's cocks and I told them how big yours is. Neither of them have ever seen a hard cock before and I was having a difficult time describing exactly what yours was like. Do you think you could show it to them?"Now this sounds like a really strange request and in the average family it would be unheard of. But you have to understand that I had spent my entire life naked most of the. We swing on a monthly base. On such an occasion, we change partners and have sex with them. So we decided it was a nice idea to invite them over and spent a few night here so we could have some fun. Billy is the same age as Edwin and Brenda is three years younger.It was getting late and I decided to go to bed after an exhausting day. Brenda and Billy were coming tomorrow and they were staying for three days. But Edwin decided that his day was not over yet. I walked into my old bedroom and.