Nancy and I were going at a nice steady pace when she said fuck me faster Tim, I need to cum. I picked up the pace and Nancy finally came, but she rea...ly didn’t seem to have her heart into it, not like the other days we did it. After I got off of her, we looked at Carol and Dave still fucking. You could tell Carol was not into this at all. I don’t know why I asked it, but I asked Dave if he would like to switch. He said sure, he enjoys Nancys pussy too, she like a tigress, if you know how to. It seems that Paula was not going to complain about it, but that type of behavior will not be tolerated young lady. You both have made me proud today."We finished eating and Mom took us to the ladies room. I had to take care of my business and then Rebecca went next while I washed my hands, powdered my nose and fixed my lipstick under Mom's watchful eyes. When I looked to Mom, she smiled at me and then winked her eye at me in silent approval.When we were all done, we headed back to the table.. “Why not?”“Because……”I could feel her look over at me. “You’re as turned on as I am, aren’t you?” He pressed.“Yes.” She whispered seductively.My cock was dripping and heart was pounding so much I was sure they could hear it. Then, suddenly startled I was by a hand shaking me on my shoulder and I heard my brother saying I should get myself to bed. I had never been so turned on and was desperate to continue spying on them, but there was nothing I could do but pretend to have just been awoken.I. We both collapsed in the bath and lay there in a pool of piss and cum, catching our breath. She gave me one of her cat- that-ate-the-canary satisfied smiles. “Oh baby you do catch on fast! I’d always wondered what piss-play would be like but I never had the courage to find out. Your Dad would have completely freaked-out if I had ever suggested it! Where did you get the idea to try that?”“Mom, before you became my cum bucket I used to look at porn and pull my dick. I saw some European porn and.