John Mack. Mack daddy. Sexy, slender stud with a secret. Hes packing a huge uncut cock in those tight gray shorts of his. Bulging from the beginning, he groped himself and grabbed a handful of growing cock just inside his fly. His schoolboy glasses had come off and he was looking dapper as ever, like a preppy country club kid home from sailing all afternoon, horned up and ready to rub one out.John was a referral from Dieter. Theyd been fuck buds off camera and when John expressed an interest in filming, Dieter introduced us. Im ridiculously happy he did, because John is a great catch. Coming in at 63, hes definitely one of the tallest GuyBone guys. But hes not lanky, hes so well filled out and toned in all the right places. Really hot biceps squeezed and flexed as he held his phone in one hand, watching straight porn, and his other slid into his underwear. Id just learned that John was in fact bisexual, so it added that extra layer of hotness I love - the almost straight layer. His dark tank looked great against his pale white skin, and when he asked if he could just tuck it behind his neck, over his shoulders while he stroked, I was totally on board.Hi