His back was to her but he seemed to have a nice body for a forty eight year old man.Samantha had just turned s*******n and had never seen her fath...r naked since she was four. She was embarasssed at being a little aroused at the thought of seeing it now.Her friend Marlene had dared her and also had asked her to confirm something about his naked body, something that Samantha had long forgotten she knew about it.This unexpected opportunity at the bathroom door now presented itself, if he. I knew that. She seemed very pleased by my care. I was waiting for a chance to proceed. But I had no guts, sometimes I used to be in painful depression. In one mid night, I woke up for a urine…I saw mom..she was deep asleep with her back upward. I got mad in animal lust seeing her heavy round buttock.I switched off the light and slept very close to her. Without any thinking, I put my hand on her buttock & started exploring its size. Oh..what a sexy butt ! I was imagining her sweet little. Since we didn't use, uh--" He picked me up and carried me over to the bed without putting me down. "I suppose I ought to tell you," he said gravely, "I've had a vasectomy." I laughed because nothing could go wrong today--and then shrieked as he dropped me onto the bed. I giggled. My stomach muscles and my thighs were quivering jelly. Gil lay down beside me and began to rub my legs. I lay there, enjoying his touch. "I haven't done that for a long time," I told him. "Just fucked. Total a****ls.". Before he could effectively obtain the full height of his knees, I gripped both his butt cheeks, parting them producing his anus to my desire. His anus was gaping open and so inviting that I rammed my rigidly stiff cock into his anus. Christopher let out a howl and dropped his head to the mattress gripping the sheets in both his fists. Such a sensuously passionate sight this was, Christopher's young teen age butt stuck up in the air and my twenty something dick entering his tender butt, was.