Using the leverage conferred by her position behind and above me, together with the momentum imparted by her greater weight, she pivoted her pelvis an... speared the hard rod of the strap-on straight into my vagina, ramming it home until the faceplate of its harness slapped against my ass with a wet resounding smack. I gave a deep groan, and shuddered from my head to my toes under the twin impacts of her action – the first and lesser being the physical penetration, the second and greater being. He knew she was betraying his father and he knew that his reaction was wrong, but he could not help it. He had never thought of his mother as a sexual being but right now he did. At this moment he hated his friend Chuck who was making love to his mother behind his fathers back, but in some weird and sleazy way, he also envied him.”Now it is time for me to take care of you baby,” Selma said as she winked at him.”I’m all yours all yours,” he said as her mouth approached his cock.”I know it is. "Clearly, you weren't exaggerating -- I've never SEEN one that large before. My goodness -- you'd tear me in two! Adding with a wink, "Oh, but what a way to go." And I've never seen breasts as big or as beautiful as yours, Auntie Doris" stammered Tristan."Oh, aren't you a lovely boy? Thanks you, sweetie," she cooed.Standing closer now, under Tristan's shower, Doris turned and asked him to see if she had any sand on her behind. With a quick intake of breath, she closed her eyes momentarily as. "Hi, Anastasia, I didn't realize you were here already." Are you about ready to go?" his mother asked."No, Beth's hogging the shower again."Professor Nolan rolled her eyes. "She's been in there more than 30 minutes."Clay looked at the clock. "Don't worry, if we leave now I'll have time to shower in the locker rooms."We drove straight to school, where Dan and I stripped off in accordance with the custom that had developed around The Program. Clay headed for the showers."Would you like me to come.