Malcolm had strong principles – he always did all his own work in the laboratory, not copying my results so as to finish work early as some did – ...nd we valued his friendship too much to risk losing it, or even worse, putting unreasonable pressure on his relationship with the twins' cousin. Besides, the factory default setting for sibling incest was to keep bloody quiet about it! Mum had taught us from an early age that 'a secret shared is a secret halved', although of course she hadn't meant. I was feeling as horny as I ever had, and if I'd earlier had any misgivings about having sex with Dena, I'd forgotten them completely. I had a ravenous physical desire that had been bottled up for months, and my a****l instinct was to satisfy that desire as completely as possible.I stood up and took her hand. "Come on", I said. I pulled her to her feet and pulled the T-shirt up over her head, took her in my arms and began kissing her again, on her mouth, her neck, ears, her breasts,and her. ”“Well, it was something Diane said that made me realize it was possible. They warned us against breaking the quarantine, but specifically said we can’t leave the ‘building’ or we’d be sent home. I went back and rewatched the video and she was right.”“Huh, that girl Missy was removed, but you’re right, she tried to sneak into the other building. So Diane suggested this? Interesting.”“She noticed it and we planned it. I’ll tell you a secret, we planned for her to get trapped down there with Tim.. That dog never walked anywhere. It only had one speed and that was like a steak of lightning with his paws barely touching the ground. He could turn on a dime and plunge into the ice cold river with never the least bit of hesitation making him a great bird dog and in great shape to chase all the bitches he could mount in the city park.I remembered my Uncle thinking it was funny that his dog was raping any bitch he could catch and that he would sometimes laugh at their female owners moaning.