I could hear the slapping of our bodies every time I got into her. My sister’s pussy was getting wet. She was moaning out load. I kept thru...sting as is it was the last time I was going to get some pussy. My sister was scratching my ribs and back in pain. I could not believe my sister was under me taking my cock into her pussy. When I would enter each time, my sister would clench her hands in slight pain.Then I felt my knees get weak and I started to cum. I could feel a massive. .. now there didn't seem to be a square acre on which to put another house or strip mall. Allison was glad that she lived further out where neighbors were not at the end of the driveway, however the daily commute was getting harder to take, if not already unbearable. Allison thumped the steering wheel with her fingers impatiently and looked at the other commuters who were just as anxious to get home as she was. Well, maybe not quite that anxious. Bradley, her husband was out of town and her. I sucked his cock in just about every office in our department and there wasn't a room in his house where I hadn't gotten on my knees and drained his cock.The house was a classic 'fixer-upper' in every sense of the word. He and I worked long hours remodeling every room in the house. Our work sessions always ended with me on my knees, sucking his hard cock until he filled my mouth with his delicious cum. It helped keep his marriage intact (his wife had by now cut him off from sex completely). ”“And you want me to teach you?” he asked.“I’m hoping you will,” she said in a small childlike voice. “Is there a lot more in David’s textbook?”“Sweet thing,” he said with a smile. “We haven’t scratched the surface. It will take six weeks for you to graduate from my class. I’ll confess that you’ve learned a lot in a short amount of time.”“I think I’ve become addicted,” she admitted with a blush. “Since meeting you, it’s just all I’ve thought about. Now that you’ve given me those toys, I may.