Get your skirt tucked in back there and get those knickers down. I only do corrections on the bare because I like the feel of the heat from the redden...d skin under my palm."It was a lively session with the young nurse giving voice to repetitive whimpers and an occasional grunt when Angela struck particularly hard on her buttocks. At the conclusion, Betty pulled up her knickers to conceal the throbbing red cheeks and thanked Head Nurse Angela for her attention to her instruction.Greatly aroused. His date or wife, a pillowy frump, cleared her throat and kicked him under the table. They resumed talking loudly, studiously ignoring us.Mom shrugged at their response, showing none of the woman’s judgmentalness, then deconstructed the evening one question at a time. She was most interested in how I felt and how I chose my partners. She paid special attention the guys after the musketeers. Why the blue devil and not the other guys who tried. Why number 36 and 11? What would happen if another. .." Her voice trailed off.She was about to say that she would use another bathroom, but she didn't move; she just stood there and stared at me and I stared at her. It was as though time had stopped. Now this is not the first time my sister had seen me naked but in the past it was no more than a fleeting glance. She had never taken an interest in my nudity, nor I hers. But for some reason today was different.There I was, still frozen in place, holding the towel behind my back. My arms fully. I let my assent be known by sucking his cock with deep, slow, wet strokes to match the rhythm of his finger in my ass.I let him know I was ready by reaching over and grabbing the lube to slick up his cock then handing it to him to do the honors with my ass. I moved off him but remained kneeling on the bed as he moved behind me. There was a quick, sharp pain as he entered me and momentarily I thought this might not be a good idea, but my body had other needs and in a moment or two my hole.