Margaret started to rock backwards and forwards, grinding her arse cheeks into my belly with each backwards thrust. I joined in the rhythm clenching m... buttocks as I thrust upwards from the chair. After a few minutes I stood up, keeping myself inside her, forcing her over the front of my desk and scattering files and paperwork everywhere! My thrusts grew more and more urgent as she spread her thighs wide open. At one point I slipped out of her and saw before I plunged back inside her that her. .We visited ... but none of the planets had everything ... close but no cigar. The big ones were too big ... had too high a gravity ... or a myriad of other difficulties ... one even had too high a concentration of oxygen in the atmosphere.The just right ones were occupied with some really close bipedal humanoid look-a-likes but there were politics or religion or ... well ... just plain or!Too small ... weird ... even as much as a thousand miles ... a 23 hour day instead of 24 ... or 20 degrees. To my own amazement I noticed that the thought that perhaps my mother was having sex right at this moment only a few feet away from me, greatly excited me and I developed a serious boner. I was at an age that I was busy discovering sex, but I hadn’t had any experiences beyond jacking off to pictures in Penthouse. Some girls in school had shown interest in me every now and then, but I had always avoided them. I told myself that I kept them at a distance because they only wanted me because my. Working overtime I moved from boob to boob. She had a tight grip on me that got tighter and tighter. Suddenly, she pulled my face up to hers and gave me a deep passionate soulful kiss. “That was nice, now let’s see how you are at eating pussy,” she whispered in my ear. As she laid down all of the way on the bed I ran my hands all over her stockings and panties. Eating pussy was one of the things I liked best. Once Meenakshi was fully laid out I found the clasps of her garter belt and undid.