As I looked around I noticed a white lace thong lying under her desk and her hard nipples pushed against her tight top I'll come back later I thought ...nd shut the door.This continued every night once I had plucked up the courage to go in once she had left her big chair was still warm as I cleaned I noticed she had left her moist panties on the floor I couldn't believe it I picked them up and quickly left.The next day I waited till everyone had gone home and approached her office I knocked on. I kissed her and lifted to push my cock into her slimy hole. She tilted her hips as my cock stretched her tight pussy and sank all the way into her. She lifted and spread her legs as she held my hips, "ooohhh!"She was very slick and full of cum as I pulled back and started to fuck her. It was not long before she was humping and bucking as she writhed around and moaned. Her tight pussy was constantly grasping and squeezing my cock as I began to fuck her a little harder. A few minutes and I was. It slowly dawned on me that they had something going on. At first, I was upset but then it made me laugh. The idea of Matt having sex with my mother was absurd. First of all, she was more than twice his age. Second, my mother had an appetite for sex that I didn’t think Matt could handle. When my dad was still alive I often heard them fuck at night. Mom was a loud woman, and demanding. Then after he passed away, I had heard her playing with herself. At first, I thought it was nasty but then. I'm not sure who started calling her by a boy's name. And I'm not sure how I feel about it. Andrea thinks it's kind of cute. For most of her life her only nicknames were bitch or cunt. And she has never been that fond of her name. She said it sounds much too sophisticated for her; too pretentious. She likes having a nickname given to her by her friends.I guess I'll adjust. It would probably be easier for me if they chose something that sounded more like a girl's name.I told everyone that our.