Suddenly, he reached up and grabbed her by the throat, pressing a thumb into ther windpipe, cutting off her air. She began to struggle, and stare at h...m. Although she was unable to speak, her eyes asked "Why?". The answer to this question was pleasingly clear to him. When he cut off her air, she tensed up, making her tight little asshole 10 times tighter around his already huge cock, making the experience much better for him. He kept pumping her for several more minutes, her face turning bright. I just didn't realize how strongly the urge would take hold.After we'd eaten, the lessons began, but the four students weren't the only ones with us. Shaton was almost completely well by now and he was also in attendance. Of course Matatu had figured out that the next time we tried to find his vision camp we'd be riding so he was there, along with Caloe, Shata, Jagbac, Matita, Caltort, and several others. I was glad in a way, since if they were paying attention it wouldn't take as long for. "You weren't lying. The picture on Professor Anderson's desk does not do her justice. She is way more beautiful in person," Zach said. "You're smoking hot," Roger added in agreement." Your husband is a lucky bastard." The four of them laughed at Roger's last statement. Ava was taken aback by their gushing praise, youthful good looks and fit young bodies. Her mouth watered as she checked out Roger's bare torso, his rock hard abs and muscular, hairless chest sending shivers down her spine. Zach's. Her breasts are full and bouncy, and that ass, mhmm. I make my way over to the tread mill next to her, every guy in the gym is staring at us. I set my tread mill to .5 higher than hers. She sees this and cranks hers up to a slow jog. I match it. I warm up with an easy jog, my breasts and ass bounce with every stride. Hers as well. By now, most people in the room have all but given up on the façade of working out. They are staring at both of us, I cannot have that. I turn mine up, she.