"What are you doing you idiot, stop it, she is your sister!" I yelled over and over in my head, but my cock continued to get harder. We watched T.V. a... I prayed for my hard on to go away, but it was futile. She rested her head on my shoulder and nudged me to get my arm around her. I acted cool, but inside I was in a complete state of panic. She whispered in my ear, "do you have any blankets, I'm cold." I could feel the heat of her breath in my ear. I finally had an excuse to get up and I was. And ... nine stone. Fifty-seven kilos. That’s ... just a minute ... a BMI of nineteen point one. Very good. Better than mine, in fact.”“Perhaps you should make use of the treadmills?”“Yes, I should. And I will. Lie on the couch, please.”After a lengthy, thorough and rather intimate examination. “Okay, Linda. Get down and sit on that chair please. You are in fantastic shape. I don’t understand why no-one has...”“Taken me up? Taken a more personal interest?” Linda shrugged. “I’ve spent a few. All I know is that at the end I was in heaven, and my cock was pulsing more than I had ever experienced before. I opened my eyes when her hands withdrew and I felt moisture drizzling onto my cock, to see her pouring lube onto my penis. She had an intense look in her eyes and maintained eye contact as she began running a solitary finger from the very tip, down the underside of my shaft to my balls, which she then cupped in her hand, squeezing my testes as if testing for ripeness. She repeated. Very sexy slim nose her figure was gorgiouse great boobs sexy weist and lovly ass.. She was in her late teens ..She was wearing a pink night gown I was amazed with her beuty and was looking to her then she asked me yes my I help you then i realised .. And I told her my prob and asked her wether I could stay there for a while till this rain stops… She thinked for a while and let me in.. We sat in the living room which was a decent one and nicely decorated I found no one there I was looking.