No matter what, It was necessary for me to be withher."I'm going to regret it big time!" I said aloud before starting torun after Linda.******Eight st...dents, including Linda and me, were selected as volunteersfor the experiment.Professor Gilbreth was assigned to guide four male volunteers. Shewas a tall, stern looking woman. Short hair, no makeup, no jewelry. Iknew she was a die-hard feminist even before she opened her mouth."Why there are so few female engineers? It is because first toy girlis. I locked eyes with Melissa as this was happening. She slid herself down on me slowly until she was sitting on me fully. We just sat there for a few seconds taking it all in. It was a first for both of us, having sex in front of our spouses. We both looked over at Josh and he was stroking his slowly hardening cock again.Melissa turned her attention back to me again, and we started going at it like crazy. Lisa had reached a hand around and was rubbing Melissa’s clit as she was bouncing up. I let him unbutton my blouse and unsnap my bra. What was I doing? His mouth found my nipples and I immediately felt my pussy get wet. That feels so good. He unbuttoned his shorts and pulled out an impressive cock. He raised my feet and encased his cock between my stocking clad toes. He removed my skirt leaving me in my garter, stockings and thong. He went down on me and licked my pussy flicking over my clit. I knew I had surrendered at that point. He started to rub his big cock head up and down. I was screaming yes with my eyes and he got the message perfectly. “This is going to hurt, but I promise to be gentle.” He whispered in my ear as he placed the head of his penis into me. I let out a deep breath and fought back a scream. He slowly slid it all the way in me and then stopped. Once I was okay again, I nodded at him and he continued on. Slowly he pushed in and out of me. Our bodies meeting and then parting. I pulled him down and held onto his body so tightly. I had never felt so.