She was falling in love - falling head over heels in love - with Paul. And although my sister and I remained as lovers, I could feel the difference in...our couplings. The old frantic need for closeness; the intense demand for acceptance that had once dominated my sister's surrender of her body to my every whim was no longer operational. What sex did occur between us was soon almost casual - incest became almost an incidental part of our sibling relationship.And in a funny way, I was glad.I. Before long I emptied myself into Rachel's clasping vagina. She clambered off of me and told Caroline to clean me off while Rachel made breakfast."Bill and Lily are coming back to see us next Saturday, and it seems as if grandchildren are the motivating factor. So why don't you see if you can get another load out of him for insurance. Later well go to the drugstore and we will both get an E.P.T. (early pregnancy test)."Breakfast was cheerful and the food was great. The women wanted to be. That's good.” He shook his head and laughed. “You are one sick fucker, you know that?” I laughed back at him. “Course. And you love it. Now get in here and fuck my wife.” I let out another small laugh as he was crossing the fence as I said it and he almost fell over he was so shocked. “Are you shitting me?” “Of course not. Unless you don't want to ...” “Are you kidding?!” I clapped him on the shoulder, pulled him into the house and kissed him deeply. “She's upstairs, on the bed. You don't have. Slowly she lifted herself up, feeling the long thick rod sliding steadily out of her, leaving a disappointing empty feeling in it's wake. At the top of the stroke she paused for a split second with just the head of the cock-shaped icecube trapped inside her, before once more beginning to lower herself down on it, letting out a sigh of satisfaction as the large staff steadily sank back into her hole, once more diminishing the heat just a little as it slid past the five-inch mark and vanished.