I watched Brian fucking the trick, his shoulder muscles rippling as he held the trick in place. He asked me about my flight. I smiled watching Brian orgasm.
“Brian, The amount of time it takes for an excitable membrane to be ready for second stimulus once it returns to its resting state following excitation varies. Therefore in order for your dick to perform at optimum you need a refractory period. I want a very good fuck. Your dick does not slide between my cheeks until Debbie has a chance to pinch my other cheeks. Drop me off at the Diner?”