Not that I know much about biology. I realised that I was teetering on the edge of a crashing orgasm and Dave also seemed to sense it to as he slowed ...own his strokes to prolong the phase I was now in. He carried out about four more up and down strokes and then stopped on a up stroke, my eyes almost popped out of my head, I was there! my brain was telling my body that the time had come to surrender to the enviable, my heart was pumping so fast I could feel it in my chest. I took hold of my own. Sharing is caring. Let the 1000 other guys at this party have a chance jeez. Oh and Nikki, do thank these men for taking such good care of you.” I looked around as the men shouted “Nikki you was amazing” and “We need to do this again”. I then said “Thank you guys for filling me up with cum and allowing me to become a slut for you” and the room cheered as I left. My ass was sore and still dribbling out cum. I must have swallow a ton of loads as I felt full. I noticed my shiny latex still had cum. “What are you doing back here?”“Waiting for you. Smoking.”“Okay.”“Do you want a drag?”“No. I mean, yeah. Sure.”She held out the cigarette. “Don’t make it all hot.”I dropped the trash bag and took the smoke.“Are you okay?” she said.“Yeah, sure.”“Because you’ve been looking jumpy as a rat all night. And you haven’t noticed any of the faces I’ve been making behind The Mormon’s back to his jag-off comments.”“I just don’t feel good tonight. I was out mowing lawns all afternoon and I just… it was too. In fact she was totally aroused by my recollection of one of Anita's sessions, where she had pins and needles pushed firstly into her breasts, then through her nipples and how her labia lips had been punctured and sewn together. When our hour was almost up, she asked where my equipment was I told her it was in the boot of my car, which according with her request, not to leave a strange car outside her house whilst her husband was away, I had parked some 200 yards down the road. I told her.