A hand slowly but surely found its way downward. Down his back, around to his front, over his belly, and all of a sudden she was petting his crotch. S...e so wanted it, again. They kissed and they kissed. Tongues lashed out as they kissed. He held her closely as they kissed passionately. It went on forever it seemed. Holding her juicy matured but trim figure, to him, was a blessing he didn’t know what to think about. Nevertheless, he was not going to stop any of it at all. “Let’s sit down” she. Or, he thought, any explanations how this was all a big mistake."Biceps, Deltoids..." the list went on containing all the major muscle groupings."Gluteus Maximus." Once again Helen let out a little chuckle. Donald, who had been getting more stressed with each question allowed the cane to make sharp contact with his sister's, wonderful he admitted to himself, arse. Another sharp intake of breath all round and a pregnant pause before his mother continued."Trapezius Muscle."Shit, thought Donald,. " He replied."Okay, lemme think....ah yes... what is the size of your dick, in inches?" He seemed kind of taken aback, but he recovered quickly."Seven inches, and one and a quarter inch thick." He said, "now its your turn, truth or dare?" Truth." I say. "How big is your dick?" He asks."8 and a half inches by two inches thick." I reply.His mouth dropped open in surprise. I caught him taking a glance at my croch. "You wanna see --" But before I could finish he had already answered. "Yea I. .I can't do that!" I pleaded with him.He showed no emotion. He climbed off me and sat calmly on the edge of the bed."Bring me the razor-strap," he said as he pointed at it hanging on the wall."Daddy, please..." my voice quivered."BRING ME THE RAZOR-STRAP!!" he shouted.A chill ran up my spine. His tone scared me. I quickly rolled off the bed and retrieved the strap off the wall. My hands were trembling as I gave it to him. He motioned for me to lie across his lap—his broad thighs. I complied. I.