"It's perfectly alright, it's strictly for study, besides, he's like 50 years old, what could possibly happen?" as she gave him a kiss and left. She w...lked the few blocks to his townhouse, she couldn't help feeling nervous, wanting, in fact needing his help, she hoped that he would help her, school was all so new to her."Hello Katerina, come on in," he said as he stepped aside to let her in, then closed and locked the door, "Have any trouble finding my house?" he asked and she shook her head. " That tells me a lot." I said sarcastically, "Like, where is the vagina? How does the penis go into it?" I was very embarrassed to use those words in front of a girl. I could feel the blood rising in my cheeks, even as it drained out of my prick. But if she was going to say them, I wasn't going to be a baby.She flipped some more pages and showed me a line drawing. "Its right there." she said, pointing to the right spot on the drawing."Oh right. Like that means anything. It doesn't really show. Again and again ... accompanied by little involuntary hip movements.Her second orgasm was generally more intense than her first. She collapsed into my arms. I stayed inside her for a while, relishing the spasms of her pussy as she completed coming. As I softened, it was those same spasms that squeezed me out in a sticky, wet plop.I gently turned her face up toward mine and kissed her face lightly, gently, until her eyes opened and a soft smile appeared on her lips."If I ever lose you I'll KILL. Next she handed me our rechargeable 'Omax' vibrator which I clamped tightly between my thighs pressing hard onto the part of the Asslock Cock Ring buried inside my bum. Bless! she was really making much of me, I just lapped it up....as I had done her squirt!. Satisfied I was comfortable she asked me if I was ready, needless to say I was. Switching on the Omax up to full power I relished the feel of it's vibrations, first around my bum before being transmitted further up toward my prostate via.