His cock was beginning to sizzle in its sweet confinement against her mound.“It’s that thing you don’t know what is,” he told her in a sure vo...ce, as if the phrase made obvious sense.Her face broke into an involuntary smile and she looked away. She reached down between them and wrapped her hand around his cock, squeezing lightly. Stroking him. She held his dome to her slippery maw and ran her finger underneath where they joined. “You feel good,” she sighed, “even if you do talk a lot of shit.. I expressly design my classroom so there is a door at the back. Most of my students make an effort towards attendance and punctuality, and there's no need to embarrass them by having to interrupt the class and slink down to their seat. And I really don't want some poor woman, for example, whose period started unexpectedly to have to walk all the way to the front of the room and across to the door with blood running down her legs and her face the same color.Of course a side benefit is that I can. I never knew she felt this way. Iburned red and finally stopped crying. I started to say, I’m sorry, I didn’t know…” But shecut me off with a slap. “You didn’t know, but now you will.” She shoved my head down onto the mattress and positionedherself behind me. I could feel the cock resting on thecrack of my ass. Sudden;y I felt a hand reach under andstroke my cock. Despite myself, I was rock hard. “Looks like someone likes being a bitch, eh? Tell. As if she didn’t even realise what happened. I acted along with her, as if I too haven’t noticed. But my cock doesn’t know to act. It went by its instincts, and sensed an opportunity in the trainers hand. Because my cock had now stretched into never before seen size. It has now popped out its complete head from the waist line, making the ring under the head visible outside the elastic.Since my body was paddling all the time, the movement made my cock head rub and push on to her hand even more..