He started to slide his hand under my pajamas and I pushed them down for him. I could feel my belly already wet and slick from my own pre cum. My head...was swimming. My mouth full of my first cock and his hand stroking my hard dick.It only took a few strokes with his hand to make me start shaking and cumming. I felt warm streams splash against my chest, one after the other. I moaned softly, muffled by his rock hard cock filling and moving in and out from between my lips. The feeling of his body. I put one finger in and used my thumb to rub her clit. She took my other hand and put my fingers in her mouth, sucking and nibbling. As I rubbed her clit harder her moans became more intense and louder and she buried her face in my shoulder to muffle the sounds.I slid her back to the edge of the desk, dropped to my knees, and inserted my tongue into her waiting love box. She reached her first orgasm almost as soon as my tongue touched her. She grabbed the back of my head and kept it pinned to. I learned more about why she became a doctor.Finally she said, "OK, here is a deal that I suggest. I am concerned about your weight and health. So, for every five pounds you lose you get a real nip of that proverbial rabbit, each one bigger than the previous. Fives nips are guaranteed, how much more satisfying each is, is dependant on how much you meet my expectations. Plus, for every 2% increase you make in your oxygen intake, you get a bonus nip."Anything sounded good to me, but I thought I. She had never considered sex with a woman. She looked over at me, there was no hiding my erection pushing out against my shorts. A quick smiled flashed across her face and she beckoned me over to her.She laid back on the sofa as she undid my fly and pulled out my cock, after making sure mom was not watching. She took me deep into her wet mouth, my hand reached into her white panties and my finger slipped into her wetness. A groan resonated from within her, which I felt all the way down to my.