"Yeah." Do you have all the stuff? Filter, oil?" Yes and yes."Ken sighed heavily, "Bring it around to the work shop, I can change it for you."Abbey dr...ve the car into the workshop while Kenny scoured the room for tools he would need. The shed was hotter than outside, the aluminum walls and roof had turned it into what felt like an oven. As he searched along a workbench he spotted a dirt covered window with a small air conditioner in it. He cranked it on to max and the ancient unit rumbled to. This minor difference, amplified many times, caused her dress to slip higher on her thigh whenever her knee lifted. Near the end, when Mom was playing with particular enthusiasm, a dark strip poked through from underneath her dress. Her panties. Even in the dim light, the puffiness of this narrow strip created the distinct impression that it yearned to be free of constraint. Thankfully, the song ended or I would have flubbed even my simple role. Mom wound up with a flourish and turned to face. I was about to call out for her but then hear the familiar sound of her vibrator humming and then her moans. I walked straight to her bedroom, she was under her sheets making her self cum with her vibrator. I could tell she was close by her moans. I wasted no time and climbed on the bed and stuck my tongue deep inside her mouth and made out with her. This pushed her over the edge and she came right then and there. I pulled away and grabbed on one of her breast squeezed it and shoved as much. We went and had a coffee and chatted, sex soon became a topic and inuendos were passed... we went back to my office, by now most staff had left, we talked some more before I said half joking that I better lock up unless "you want a quickie", "OK" she said... I was hard instantly...after a couple more comments I figured go for it and so kissed her, she willingly responded... we kissed passionately and my hands went to the buttons of her blouse, I undid them all and then the fasteners of her.