Greg was usually quite chatty and friendly before our scenes but today he didn't look like he wanted to be there, Fifi too, despite the outward bubbli...ess, had a sadness in her eyes that was clear for me to see. I tried to ask what was going on, but the lab director hurried us to get started with the scene."Again, everything began in the usual fashion. We fell into our roles, going through the clichéd innuendo-filled filler that is a prerequisite to the 'fucking like chimps' bit. I told him 'I. As Joe was holding Linda in a tongue-probing kiss he forced his hand down the front of her dress. I could see him squeezing her tits. When Joe finally broke the kiss and let her breath, I could tell Linda was getting mad. She tried to get up, but Joe held her down. I heard her say, "OK god dammit that's enough. Now let me up."Then I saw the other two move to the floor. One on each side of Linda's legs. When she saw this she tried to close her legs. But they each pulled her knees apart until she. She never treats me like a whore, even though that is what I am. She understands that this is how I earn the money, and she does too, that will ultimately set us up in the house we both want to share. She rather likes sharing me anyway. Sometimes, she’d bring another woman to our bed and sit, watching, as the girl and I had sex. It was not love making, it was pure unbridled sex which was precisely what Sam wanted to see. Her only rule on such occasions was that she could always see my eyes. With an unintentional feminine provocation, she was taunting my senses, putting on a show. I thought to myself that she could have this one if she wanted.I went to bed. The erection my sister caused refused to die so I had a tent over my waist as I slowly stroked it. My lust laden cock was heavy with desire, my nuts tight and solid between my legs. I had brewed up a strong yearning for Susan but it was the vision of Farah’s body that flooded my balls with hormones. She was just a few feet.