When she is all done she rams her fist as hard as she could one last time and her arm made it at least to her elbow."I'm really impressed Cody. You ar...e doing a wonderful job and I can see a lot of potential in you. You would make an excellent slave or maybe even a rubberdoll. You might be the best candidate I have ever seen for the rubberdoll program. You took that fisting like a champ and you didn't even pass out. Your ass is incredible and I can't believe you have never used it too its full. Mary then said "be careful, my husband and I are trying to have a baby". I did not know what that meant, I had fucked four girls and was ready for number five as Mary lowered her self down. I watched my wanker disappear into her wet snatch. Mary started working my dick and I was enjoying every minute of it. She took my hand and placed my thumb on her clit and started rubbing it. She started to orgasim big time, at which point I started to unload my balls into her. My dick stayed hard and laid. Hazel buzzed her way into the lab and turned on the fluorescent lights. She paused, then flicked them off again and carefully made her way to her desk where she turned on the reading light instead. The small pool of warm yellow light seemed much more intimate.She pulled her sweater over her head and folded it neatly and left it on her desk. Biting her lip, she unfastened her jeans and slid them and her knickers down her thighs. The swivel chair creaked a little as she sat in it to tug the jeans. Unsure what she would do. She tried to calm herself, to return to her warm soft place of simply accepting all that he did, but she was getting a bit nervous again.Higher still, his strong hands now encircling her most sensitive spot, her sparse black curls framed by his hands, she almost moved away, almost backed off, but she made herself stay still. As he moved onward, his hands now on her stomach, she let go of her held breath, sighing, collapsing her head back down on the lounger, relieved.