I noticed that at least one couple, Kevin and Janet, had disappeared, presumably headed back to their cot or to somewhere more secluded. And just as I was noticing their absence, I saw Serena take Arlo by the hand and lead him out into the darkness. I had assumed they'd been sleeping together since I heard Serena moaning the other night, but this was my first confirmation. They'd been pretty discreet up until that point. By now, Kara was on all fours getting f****d vigorously by her husband as they both continued to watch Amy and Keith, who were still putting on a show in the center of the circle. The show, however, was clearly nearing its climax. Amy was moving her hips back and forth rapidly, grinding against Keith, her loud moaning leaving no doubt that she and Keith had been the myste

