Ever since her birthday she has done everything that she could to get me sexually excited. It always worked but Dad had warned me many times to leave ...y sister alone. He said that if I touched her…that he would kill me…and I believed him.So back to my thirteen-year-old sister naked and sitting on my cock. I practically screamed, “What do you think you are doing?”Tina giggled and said, “Taking care of your morning erection. That’s what sisters are for.”I said, “Dad will kill me!”Tina giggled. " Before Mark could protest, the man had pushed Mark's legs apart and was massaging Mark's thighs. Mark went ridged at the thought of this man's hands being just an inch from his exposed balls. "I don't mean to scare you, but the lotion is, well, everywhere." Mark tried to speak, but nothing came out of his mouth. He felt utterly frozen, and before Mark knew what was happening, this stranger – a man! – was actually rubbing his lotion-covered scrotum. Oh my God! Shit! Fuck! As Mark grew ever. I was president, major partner and marketing manager with my junior partner, Bill Hansen, who handled the finances and the staff. It had taken me many years to break away from a major computer company and set up my own company and now it was consuming much of my time to get it established. Charlie was vice president of procurement for a small, local manufacturing company that was key to our making a go of it.Charlie and I were just sitting there talking for a few minutes when the door to the. ..she used to be hugely fat and wore sweat pants and baggy shirts only, and now that she had reduced herself down to 120 lbs., she still felt big. Her breasts, which were always the first place to go, when she dieted, remained quite large...34D, and better still, her nipples were large and dusky pink in colour and, when erect, looked like little Devil's Towers, and were SO sensitive, even whatever she wore made them come hard and ready to touch; and she had pared her waist and hips down to 24".