She then moved closer to me, leaned in and kissed me hard on my lips. I was relieved that I didnt fuck up, but now I was making out with my girlfriend... little sister. I responded by kissing her back, shoving my tounge into my mouth. Playing with her small tounge. I sliped my hand under her shirt grabbing her nicely rounded ass and lifted her up. We continued to kiss passionatly as we moved across the livingroom, slamming her against the wall set her down and turned her against the wall. I. Laura, get her out of my sight.”They were gone in seconds.Behind me, Holly said very low, “Holy fucking shit.”Turning to lock eyes with her, I said, “And so it begins.”She started to ask, “What... ?”, just as the boys in my phone started to sing their song. I looked at the clock. It had been exactly 45 minutes since Holly had made her call to Beth.I said, “Hold that thought.”, as I picked up my phone and hit the blinking “answer call” light. I also put it on speaker, so that Holly could hear. His next stroke was against her right inner thigh, wrapping from the front almost all the way to her bottom. Her screams were now briefer now, mixed in with sobbing. He struck next at her left inner thigh. He gave her two more strokes on her inner thighs before returning to her pussy for another half dozen painful strokes. She had no idea how long her world had been reduced to only the pain in her crotch, but when her mind was able to form thoughts again, her first were sorrow for having. I could see his hard on as he watched his mother. I must have jacked off twenty times in the last week. Debbie and I also gone out twice that week and she looked hot. She had a great time showing off her body to a number of different men. When Friday night came around I thought of something I might be able to do to get my son to do a little more to his mother than just watch her. It started earlier in the day. It was hot and I stayed home that day. I asked Debbie if she wanted to swim to cool.