His unsteady steps resumed as he navigated through squinted eyes only tosee his two kids busily working in the kitchen. He paused to watch theiraction...s in silence.Paul, the older of the two, was just about to turn seven and reflectedsimilar skin coloring to his father; a medium brown tone accompanied bythick curly black hair on top of his head. Maria, a precocious five yearold, was the spitting image of her deceased mother; blond, blue eyed andfair skin with just a hint of coloring that looked. Especially when you want to have sex.So i am going to make the most of this opportunity".Before she drove off she lit up a cigarette and this got me thinking.I told her that i had always wanted to find out what was fascinating about having a woman smoking a cigarette whilst having sex with her."Well tonight is your lucky night then.I may be an old bird but i still like to experiment".When we got inside her place she took me by the hand and lead me upstairs to her bedroom."Blimey you don't waste. You are going to be my test subject for the next few hours on sexual testing and experimentation with different bodily fluids, I'm being payed well by a pharmaceuticals company and provided with whatever I need." He told her, putting his hand over her mouth when she tried to protest. "You must earn the right to speak by cooperating." he said as he gagged her. She tried to speak but all attempts were muffled by the gag, as tears started to flow down her cheeks he tried to comfort her a little. She gyrates and pumps her throbbing hot box against my fingers frantically and purposefully, completely relaxing her ass and offering no resistances as I push my cock in completely. Suddenly, she realizes that I had buried my cock to the hilt in her ass. I had played with her tight puckered asshole with the head of my cock which was wet and slippery from the cream oozing from her cunt. I had teased her that way creating a pleasant, interesting sensation that was new to her. And as I stimulated.