Of course, I also had a legitimate use for it– to measure the bp of my grandfather. I longed to use it on some girl, but had no such luck. It was a ...assion which I had to keep secret because it sounded weird even to myself. At one point in my career, I seriously considered becoming a doctor so that I could turn my dreams into reality. But then I thought the society could well do without a pervy doctor. Moreover, the medical profession meant much more than just using the stetho on young girls,. I'm sorry about screwing upthe last project." John solemnly intoned."Don't worry about. Anyone can set off a chemical chain reactionthat requires the science building to be evacuated!" I teased. "Anyway,this doesn't look too hard. We just have to synthesize the estrogen andsubmit it to the lab instructor for analysis to get our grade. Whydon't you grab the reagents and I'll set up the Bunsen burners?"John walked over to the chemical storage cabinet and grabbed thevarious chemicals and supplies. I began to kiss her, but while Elizabeth did not resist, neither her lips nor tongue respond with any signs of excitement. When I moved down to kiss her breasts, her body held still. There was no quickening of her breath and no hardening of her, as I knew from our petting, arousable nipples. Only when my lips began to wander south over her belly did Elizabeth respond. With a firm "No!" she pushed my head aside.Then, as if reluctantly giving in, she spread her legs and raised her knees.. I got an instant hard on. I started to stoke my dick imagining her topless in front of me. Then I saw panties was shocked to see them to as they were G-string, had never imagined any woman in my knowing to be wearing G-string, I sniffed them in order to get her aroma, but couldn’t as this was a washed panty. Then I started searching for the laundry bag, as I was sure to find her undies there. Luck as in my favor as I found her undies in the laundry bag. I took them in my hands and was thrilled.