Lisa let her knees bend and mashed her hot, slippery cunt lips against her mother's knee, feeling it get slippery from her gravy. She rubbed her pussy...back and forth on mother's knee until her knees trembled from the exciting sensations surging through her cunt. Straightening up, she pulled the top of her mother's nightie over her head and cast it aside. Taking her mother's turgid breasts in her hands, Lisa sucked on the nipples, one after the other. Swinging her legs back onto the bed, Debbie. The next day was also was same and without much talk between us. I thought I made a mistake and I couldn’t stop thinking of her.But the next day at breakfast my mother-in-law said “That’s always a nice way to start. Foreplay is important.” I was shocked and avoided her eyes. But when I looked at her after a moment she smirked. That was neither a gentle smile nor an inviting sign. I didn’t understand how to take it. She is normal again and we had quite a nice time. That day evening it was about. "Not being able to stand it any longer, my balls spasmed and Idumped a "HUGE" load onto the inside crotch of her pink satin panties.She came too, spasming and biting her lower lip, trying hard to muffle her cries!When we finished, Beth stood and dropped the towel to thefloor , took the cum filled panties from me and put them on,while rubbing the cum coated crotch deep between her wet pussy lips, making sure that she got as much of my seed inside her as possible. We fell onto the bed and I held. I slipped it into my still wet pussy then I switched it on to slow. The trouble with Blackie was one, I had to do all the work and two, I had to use my imagination too. I had no trouble this morning for soon my third orgasm was approaching fast.I knew that would hold me for a few hours but what then. Sometime I can hold out with Blackie until my husband got home, but I knew right away that this wasn't going to be one of those days. I hated to do it but I got my little black book out and I.