Jennifer used the opportunity to reached her other hand underneath his buttocks and rub her thumb over his anus. Shiny with bubbling spit, Mark's cock...disappeared over and over again into the hot, wet cavity of his mother's mouth, plunging against her throat, coating her palate and tongue with his precum. In between she took her mouth off his cock, planted her lower lip underneath the ridge of the head, dug her upper lip in the small ridge of his piss hole and sucked tightly on half of his. I went into my room, stripped off my clothes and laid there naked waiting. It was only maybe ten minutes before my sister appeared in my room, clothes unchanged. “Tell me everything you’ve ever wanted to do to a girl or wanted done to you.” I was silent. “Come on, you’re a 16 year old boy. I know you’ve thought about it.” “I want to fuck a girl and have her suck me,” I said. “Come on I want some real details. Anything you’ve ever thought of.” “I want to fuck a girl’s face, make her gag. I. Unfortunately, 'something innocent' apparently meant 'Amanda half naked in her cheerleader skirt' to my mind, and the bulge in my pants grew noticeably."I'm going to go get my stuff!" I said quickly, turning to hide my hard cock. Mom gave me a peculiar look, but as I turned around I could see both Kelsey and Amanda grinning proudly, their eyes locked on my boner. I fled the kitchen like I'd stolen something.I came back down about five minutes later, my swimming gear stuffed in my backpack, to. “Say, Todd” he said, “what did that thumbs-up gesture you gave me really mean?” I told him that I wanted him to enjoy the evening, including the sight of my sexy wife. I bent forward and told him, quietly, that if the truth were ever revealed, it turned me on to see other men lusting after Mary. The good doctor’s eyes narrowed, and a look of dirty, sleazy lust came over his face. “Well, Todd, let me ask you something. Do you ever fantasize about watching other men fuck Mary?” He had definitely.