Well my mom let him... I mean I was so horny and mom knew it and she let him... well she didn't want me to learn about sex in a back seat of a car so ...he..."Stunned wouldn't even begin to describe what I was thinking. My mother and grandfather having sex! And my grandmother approving of it, even instigating it! This was just too much information. My hand dropped off of my mother's shoulder and onto my lap and I just sat there with my mouth hanging open. Mom put her arm around my shoulder and. I went into the lounge sat on the sofa still had the magazine in my hand ,so laid on the sofa had my gown open and was reading a story while gently rubbing my 9" thick cock ( donkey was my nickname at school) I was doing this nice and slow ,I looked up and saw my mums friend reflection in the TV screen this made me more hard as I rub myself pretending to read but looking at Mary ( 65 married to older husband who been ill for over 15yrs drink problems etc) I could see her staring at my cock and. He had an expectant look, gazing at her, tuning in all of his senses, but most importantly his eyes, as he tried to detect the smallest changes in her facial expression. Yet, he found nothing. ‘Well, you can’t imagine something you’ve never had’ she argued back, laughing off the tension that was building for some unholy reason. As she looked at him, she saw the intensity in his eyes that frightened her. She couldn’t recognise him anymore. Even the alien-abducted Thomas in the corridor was. She actually threw out many of them and had gone to the lingerie shops and Victoria's Secret to purchase some sexy hot bras, panties and lingerie that would help her turn Tom on and make her womanly body look as sexy as she was once again beginning to realize that it was.Sandy had actually gotten dressed before Tom ever came over that afternoon and now all she had to do was touch up the subtle amount of makeup she had on and slip out of the blouse and pants she'd been wearing while they'd.