” She leaned down and rested her hands on my chest, her tits dangling down, the slightest sway to them. Slowly she started to grind on my cock, then...started to bounce. Her tits followed her every move, bouncing with her, tantalizing me. She got faster and moved to get me deeper inside her. With every bounce, she caused me to bottom out, impaling her completely. She leaned down further, letting her tits drag against my face. Happily I took a nipple in my mouth, sucking on it gently as she ground. Thursday would be the conclusion of her six-hours of scheduled lectures, followed each day by an open forum. A new experience for her. I knew from my own experience that it would turn into a Q&A instead of the more casual atmosphere that she had planned on and hoped for.Wednesday and Friday, we would separate and give guest lectures for small classes of the Institute’s graduate students which would be arranged by the Heads.I had arranged with Professor Himmel to have the café deliver snacks. “I hesitated and said, Yes. In a very low whisper. “Don’t feel bad, must guys do think about it.” I barely noticed but he had slid his other hand around and hand undone my pants. He pushed my pants down exposing my thick 6” cock. “You have an awesome cock,” he said. “Thank you” I mumbled in reply as he started to carras my balls and lightly stroke my cock. He told me to warn him if I was getting close to cumming. I nodded. He then asked me a few more questions about my sex life. . The first series of spasms quaked across my body. The pleasure was indescribable. My orgasm seemed to trigger Michael’s. His body grew rigid, matching mine. He pressed up against me. The pressure on my erect clitoris was slightly painful, but I did not want to stop. I felt him quiver and quake under me and suddenly, I felt a warm wetness appear on my belly all around my navel. Michael had just ejaculated on our stomachs as we lay pressed together. Michael and I climaxed together. I lay on top.