The visions in his minds eye of them joining took care of the "semi" part of his erection. Her hands on his stomach were coming dangerously close to h...s private parts as his manhood continued to swell. Skillfully she worked around this obstacle, only nudging it out of the way now and then. She seemed to know how sensitive his testicles were and how much he enjoyed her tender caresses as she used her artistic ability to arouse him even further. The gentle touches of her hands on his most. I didn’t care about how taboo this was. My Son was fucking me with his big cock and I was about to cum.I guess he was thinking straight on some level because he said, “Mom I am about to cum. Should I pull out?”I wasn’t on the pill and he wasn’t wearing a condom. Through my sexual fog I was pretty sure I wasn’t at risk of getting pregnant but to be honest I had no idea. Up until now I hadn’t even thought about that possibility.I said, “No baby I want to feel it. Shoot your cum inside me.”I had. ”“What about my ‘loving wife’ and my marriage. Did she tell you she tried to cover for you, and when I called her on it she kicked me out of our bed. Just so you understand, I am meeting Jerry at 11:30, and if you don’t tell him before then, I will.“Oh one other thing. I hope that lunch at McDonalds was worth your marriage. It wasn’t worth you screwing up mine. Good Bye,”I ended the call.Jerry was there waiting for me. He started talking as soon as I sat down.“Denise called me and told me what. I walk into the open bedroom and see my sister lying in my bed. I go over to her and pull down the sheets she had covered herself with, she lets out a quiet moan. I gently slide beside her, and give her a hug. She is sleeping, but she only has her underwear and bra on. Slowly I unclip her bra and chuck them aside, I gently lick her left nipple, she moans, then I take her nipple in my mouth and kiss it as if I was kissing her mouth, my tongue moves gently and slowly over her nipple, she moans..