Even as she pulls lightly at his wrist, her legs widen slightly, and her hips press up a hint. As his fingers grow more bold, and his lips tug harder,... she begins to mewl in lustful pleasure. Her hips buck as he presses his thumb over her clit. As her resistance fails her, between quiet moans she begs, "You have to stop... You can't do this." He feels her resistance weakening. The walls of her wet pussy squeeze and pull on his probing fingers. His head is filled with the want of have those walls. My straining cock was almost fighting its was out of my trousers by the time we kicked the small door shut behind us and we locked lips in an almost ferocious kiss, our hands all over each other and our tongues wrestling.I pushed her back against the wall at the side, kissing her mouth and sucking on her lower lip, the passion was so fierce as we both moved instinctively. Her hands found my belt buckle while I reached down and slide my hands up her slender thighs, running my finger tips over. She was a real pro at using her pussy. Who knew? My prim and proper mother was an expert in sex. A 'sexpert.' But of course, this should have been obvious by now, since she had already proven her skills with the previous handjob and blowjob.There was also a gleam in her eyes. She enjoyed this too. Just as much as I did. Her hands rubbed the back of my neck and shoulders. Then she started rubbing her own breast. She was in need of her own relief and I saw that she was playing with her hardened. Put it away." She said, not wanting to look at the yellow stained stiffly caked jock strap. "If you love me, I want you to clean it for me." He said with a smile, holding it out in two fingers, as if he were sickened by having to touch it. "Is that all? Well put it in the hamper." His smile got larger. "I want you to clean it with your mouth. I want you to suck it clean for me." Her face grew pale and her jaw dropped. She knew he wasn't kidding. This was so like him. " I can't. I'll get sick.".