Overt sexuality might not have plausibly become taboo, simply for survival of the species. Societies could have developed in much the same way as they...have for us, with many of the same laws and unspoken rules and pushes for equality. Yet sexual acts, horniness, public arousal… all such ideas seen as simply normal and acceptable, or even celebrated traits of the modern man or woman. In such a world pornstars are as elevated as rock-stars, or often the same people. Skimpier and skimpier clothing. The Yuba as it tumbled through this canyon worked its way around various bends and winding channels, here tumbling through a tight rocky channel, there gathering in a pool that spread wide like a cattle pond in back of a ridge of glossy boulders. You could see the folks lying nude on flat rocks taking the mid-afternoon sun, or drifting along on inner tubes with a beer in hand. Allison and I carried our boots and hiking socks, and I took a military canteen belt slung over my shoulder, and we. The ladies got naked and jumped in. It was nice to have some fit and attractive young ladies around. My old cock even twitched a little at the sight of their naked bodies. The ladies spent a good part of the day out around the pool and did not seem to mind me. "Hey gramps, you should join us." Kendra said. "You want me to join you?" I replied. "Sure, don't worry, we will not make fun of you." Lisa laughed. I thought why not. So I dropped my clothes and jumped in. My wife and I had been nudist. Still, I now found myself at loose ends at 8 in the morning instead of hitting the road with the rest of the work crowd.I decided this made for a good opportunity, and so a little after 9:30 I found myself, neatly dressed in slacks and shirt, ringing the doorbell of my neighbor's house. After a few minutes, as I was about to give up, the door opened and a rather attractive-looking matron dressed in a nondescript front-button housecoat, her hair done up in a neat bun, looked at me inquiringly..