She ground her hips against my pubic bone and the feeling was sensational. Oh, I was gonna cum, right then. My orgasm occurred exactly when she pulled...up off my cock giving me a fantastic first spurt into her pussy."Oh, Amy, god, that was so good."She was pushing back down and she said, "Oh, I'm cumming, too. Oh, right now, OOH, OOH, OOH, OH, OH," and she collapsed back to sit on my cock as I raised up and put my arms around her and caressed her breasts.In a few minutes, she said, "Let's have. Again, we couldn’t come up with answers to most of the questions. We did, however, agree on some. The most important was that there would be no secrets, ever. They also included my request that Pam and Jack do not go to his place or places like motels. For my part, I needed to be close by and fully aware of their intimate times together. In other words, our home would have to be the one place where most of their intimacy would occur. In addition, for the most part, over-night was not going to. Mark and I were white as sheets around our torsos. We had no way to get any tan there, until today.“Cobbler’s Beach is a family naturist beach,” the man explained. “We do not tolerate pervs who come to gawk. We also expect beach goers to observe some decorum. A little pash ... a little kissing, no worries. Giving a gobby or copping a root is right out. Do you understand?”“Kissing is OK,” I replied. “More is too much here on the beach.”“Good onya,” the man said smiling. “You four enjoy this. Like I said we went to bed and had our usual sex but the story begins the next morning. Both of us are heavy drinkers so getting up earlier than we have to just doesn't happen (usually). For some reason on this morning, we were both wide awake about an hour before we needed to be for work. I naturally had "morning wood" and she wasn't about to see it go to waste. She threw the blankets off of the bed and slid down between my legs and started licking and sucking my piss hard on. Her main purpose.