The nano-virus had culled many of the unfavorable traits from the primary species. While aggression could not be removed with the species surviving, i... had been focused on those individuals with a strongest affinity to stable growth and protection. As always, such a delicate balancing of physical and psychological triggers with a nano-virus would give both significant misses in culling, and many false-positives as part of the triggering. Initial data scans indicated a slight over-culling with. I can’t talk about this,” she muttered.“Sorry. I’m teasing you, not fair of me. But you are fun to wind up,” I said laughing and gave her a hug as we walked along.She was quiet for a bit, then blurted out. “Bruce and I never have much sex, and he finishes very quickly.”“So if you could get him to last longer, you think you could cum?” I asked.Grace looked sideways at me, with a thoughtful expression on her face. “I don’t know, he won’t talk about it. When I tried years ago, he would be all. When I asked if she would fuck another man if I told her it was okay, she always said she would never dream of it but despite her insistence, I still had my doubts.Meanwhile Judy realised just how much the idea used to turn me on, making me fuck her really hard when we had been talking about it. For a while she even started actually using the words fuck, cock and pussy, especially when she knew I was getting close to coming.Feeling her lips close to my ear and hearing her say those dirty things. "I tried to decide whether to go for my gun in the nightstand or just let the scene play out. I decided to see what they had in mind."You want some more, honey," Dave asked my wife."I want everything every one of you has got and I want him to see it up close and personal," she said, grinning a mischievous grin at me.She got up and I watched as more cum flowed from her cunt, to run down her legs in thick streams."You heard the lady," Dave told me. "On your back."I resigned myself to whatever.