I heard the door unlock and open. I turned the vibrator off and tried to act like I was sleeping. Monica came in, looked around for a while and change.... She put on her usual tank top and shorts. After grabbing her tooth brush, tooth paste, facial scrub and towel, she left our room for the bathroom. I didn’t know if I would have enough time to return her vibrator but tried. I tried to wipe it off and returned it to her bedside table before jumping back into bed. I tried my best to fall asleep. I kept pounding into her ass and her hips began to sway to meet each thrust. She was totally into it. I don't know how a woman can have an orgasm from anal but Jane had several. I finished with a burst of spunk squirting into her rectum four or five times. We both fell into a huge hug when it was over. "Curt, I never expected it to be that good. I just thought it was something dirty to try. You know, something to get me excited again. You surprised me and came again and again. I really thought. Maggi came down and tried to put the head of my cock in her mouth, and both Donna and Maggi fell over laughing. I said “let’s go to the living room before we bust-ass in here.” Donna set me and Dan on the floor so that our balls were pressing against each other with our cocks straight up toward the ceiling. Maggi was on one side and Donna on the other side. Donna squeezed our cocks together hard and went down on both heads, “Ahhh”, she gasped as she came up. While Donna held our Cocks together. What was the critical mass for universe generation? Who knew? I really don't want to find out, either. After four months, we called another conference. We had to establish boundary conditions on the experimental teams. We threw out our concerns to the group. Some had not conceived of the possible consequences. Many fast telephone calls were placed to their laboratories to eliminate the possible critical mass problem. We were lucky that we hadn't waxed our communal asses on this one.We got.