Over the next few minutes the distance between us closed. I’m going to guess they were in their early 30’s, both pretty hot. She was wearing a bla...k bikini and he was just wearing a pair of dork shorts and no shirt.After what felt like an eternity we crossed paths ... we all said g’day but I could tell they were smirking to themselves but I thought I saw a glint in the girls eye.I walked on little further, actually I walked maybe 100m past where they had come down to the beach and I saw their. Then I explained that she was still laughing because I told her about how we used to get sperm from bulls to artificially inseminate cows. When I got that out Jennifer still laughing said, “Isn’t that one of the most perverted things you ever heard?”Brittany grinned and said, “I’ve helped to do that to some of our horses!”Upon hearing that, Jennifer just screamed out another really loud laugh falling back on the bed almost convulsing in laughter and finally got out the word, “WHAT?”Then. She was trying to push him away. He sucked her breast. He bit on her nipple making her cry out again. And finally he came with huge shots.His cock emptied the entire cum in three shots into her. His white cum began to ooze out. Flowing through the crack of her ass it fell on the bed sheet.Robert fell aside from her body and in few minutes began to snore.Lucy got up and with shaking legs went to the washroom to clean up. She cried silently at her fate. Then slowly came back and climbed on the. My pussy muscles throbbed and contracted around Dan's fingers and Sam's gentle biting of my nipples enhanced my pleasure.When I came down from my intense climax, they were looking astonished, especially my son. I was still gasping for breath but I managed to say, "What's the matter? Didn't you think mummy would do that with you two?" No mummy, I didn’t… but it was so good and so very naughty. You are so beautiful when you cum." It's nice of you to say that, but we must all keep this a secret..