It was a warm afternoon and we all needed refreshing. We were all joking that this time we were going to make it to the pool.I could see that Carla wa... tipsy, but not really as much as the day before and she was not spaced out on the coke. We picked up a bottle of wine to drink in plastic cups at the pool and took it to our rooms to change. Carla and I put on our suits and Gary came to meet us. Before he got there Carla and I had a glass of wine. She was feeling good, but still looked fine. The. I had never managed to do this but it obviously did something for my wife as she had what I can honestly say was the biggest, noisiest orgasm in her life.Anne was now looking for a little fun of her own. She stripped completely, exposing a fanny that was almost completely shaved but with a narrow strip of hair. She lay back, pulling Vanessa onto her. My wife hesitated, then buried her face between Anne's ample boobs. Both hands were working her nipples which turned out to be potential record. We also just inducted Cathy's current boy friend... last week."Tedi sighed loudly and they all laughed.I couldn't stand it... my folks had never talked over my head like this before. It wasn't like them. I cleared my throat loudly and suddenly the room was silent,"What are you people talking about? I am totally lost in this conversation. Won't you please explain so I can join in. I am not a child."They all looked at each other and then my Dad looked at my Mom and said,"It seems to be a good. Anya was by now fully engaged in the afternoon's exercise, wearing a pair of stimulation panties that rewarded her, clitorally, each time the system detected a positive nervous-system reaction to her current activities – which happened to be the vigorous oral servicing of her twin sister's smooth vulva. Dr. Cohen was pleased to note on his screen readout both that the girl's feedback graphs and the stimulation panties' reward counter indicated that she was now very much taking direct personal.