But for some obscure indefinable reason he had wanted to keep the marriage alive. The only thing that Anne-Marie could assume was, that she gave Rob a...n aura of respectability, and a cover for his activities. The only good thing about her marriage, as far as she was concerned, that he had stopped away from her for months. Although she knew that he had visited the house more than once, when she had been out. His whore's had obviously kept him sexually satisfied, and he had not bothered her now in. During my five years as a sales manager I had had anal sex with a number of women. I loved anal with a woman on all fours. It was so erotic to watch my cock slide in and out between lovely buttocks. I moved Cathleen to all fours with her ass elevated and she placed her head on the mattress turned to one side so she could see me. I started playing with her pussy and her curvy ass lubricating her asshole with her own cunt juice. Cathleen moaned and cooed as I fingered her pussy and her asshole. He was wearing shorts and I could clearly see a big bulge there. I called out his name and said, “Hey! brother, what the hell is that?” pointed towards his crotch with my eyes. He said,“What? My shorts?”Me: “No. The thing that is trying to come out of it.”He kept silent.Me: “Are you turned on by watching me naked?” I asked in shock.He: “I don’t know I can’t help it he said”Me: “Well try I am your sister.”He threw the bed-sheet on bed and came closer to meHe: “I know but…..”Me: “but! But. . I was completely awestruck lol. I had never seen one that big in real life before. I was loving how much this was turning me on so i took it a step further and told her she should fuck him. Keep in mind we had an agreement that anything we said or did while rolling our balls off is invalid when were sober. Well come Sunday she brings him up again... saying that she wants to go see him.. and I of course said no because of our agreement. She didn't seem very sad and dropped the subject until.