I didn’t let on that I had seen anything and somewhat embarrassed I said good night and continued upstairs. It was hard for me to believe what I had...seen! I had to admit that I had been a little turned on by what I had seen but knew that this was entirely accidental. After all my mother wouldn’t be flashing me!The following night we had the same routine with watching television, my wife going upstairs and me cleaning up. Once again mom went into the bathroom to change and get ready for bed. I. I did so, I knew he was going to fuck me and I was trying to brace myself for it cause he was very big. He went into the bathroom and got his lube and came out and was lathering his cock while I was licking my wife's pussy. I felt him place the head of his cock against my asshole and he told me to "try and relax and don't tense up" I did what I could but I felt him enter my ass and immediately let out a thunderous groan. He eased it in at first but than started pumping faster and faster, My. On reaching the office Val instructed him to shut the door and she put her backside down on her desk rather than sitting in the chair behind it.For a moment there was silence and Seb became aware of the intoxicating smell of the expensive perfume that Val was wearing.Val became aware of the bulge in the boy's trousers that he was mentally fighting to control."Well Seb, you have been here about two weeks, how are you enjoying it?" she said, at last breaking the silence."Um, I am enjoying it very. About 4pm we all went in after deciding to go out for a meal we went upstairs for a shower & a doze before going out when she told me she liked the idea of the snake & that she would go back soon & have it done on her back sliding out of her ass & up her back but Damon, the tattooist would have to design something special as it was unusual & he had never seen it before so she would be going back, i said it would look very sexy & loved the idea, she went downstairs to see how Leslie was dressing.