I moved my head slowly without any pressure from Josh's hand. His dick head was poised at my lips and I let my tongue just touch the end of it. It jer...ed again and I had to hold it tighter with my hand. I very slowly let my mouth cover the head and began to lick. I could taste the salty precum.I was hotter and more excited than I had ever been before. There was something especially titillating knowing this was my son. At the same time, my conscience kept pulling at my emotions trying to get me. ....until I lightly gag. While I'm all the way down I pause and flick my tongue around the base and then slowly come up. All the way down and all the way up again a couple times. This time when I come up, I spit on the tip. I watch it dribble down a little and then lick the saliva off. A little ends up on my lip and I let a string of it connect my mouth to your cock. Our eyes are locked. With all the wetness, I take my hand and slide it down, then up, then down again while I take half of u in. My hands gently stroke over you, one hand sliding under your waistband. You watch, the anticipation of what's to come almost too much for you already. I finger the head of your already hard cock through the fabric, as I use my other hand to undo your trousers. I know how much you love it when I tease you, but today you just need to cum. I peel your jeans from you after unbuttoning them, and I pull them down your thighs, taking your boxers with them. My mouth is already waiting, and as my hands. She did not smile, because she did not believe in being friendly with her students, even though I was a girl. She began to sip. ‘Now, do these sums I have marked out for you as I explain the Periodic Table.’ I looked at her large, wobbling chest. Her tits were huge, modestly covered with a blue dress. The dress would soon be off, though.’Okay, Miss. Whatever you say.’ She began to explain. ‘Now, hydrogen is the first element. It is also the lightest. That is why it is first.’ She took another.