She nodded and asked "how". I told Lisa to lay on her back and pull her legs up and open her pussy. When I pulled out of Sandra I was still pretty hard from thinking about what was about to happen. I held Sandra's pussy lips closed and told her to get over Lisa's pussy and I'd let go of hers. I looked at Lisa and asked if she was ready for some cum, she nodded and was so excited she was shaking. It took a minute but I could see some of my cum starting to drip out of Sandra, right into Lisa's quivering pussy, then a good sized drip plopped into her and I told Sandra that was enough and to get her hips up on a pillow to let the rest of my cum soak in. I kissed them both and without saying anything I got on top of Lisa and slid all the way in her pussy. I could feel her quivering and started to fuck her, slowly at first then harder and harder. I asked her about birth control and she again said she wasn't. We fucked for a little bit me going all the way to her cervix and I knew my cum. ’ ‘Doc, if you want the answer to ‘why’ you need to go to a philosophy class. Physics just addresses the relationships between matter and energy.’ ‘John, I think you are forgetting your history. Until the nineteenth century, physics was called ‘Natural Philosophy’. Its function was not only tell how things were related but to answer the question about ‘how they worked’, or why they acted as they did as well. It sounds like you are saying that people like Isaac Newton weren’t really physicists since they were at least as concerned about the ‘why’ as with the how much.’ ‘Doc, you’re making me nervous. What you are saying is correct. I’ve spent years trying to forget the old way we did things. In the times of pre-modern physics it was much simpler to explain why and how things occurred. We started to run into trouble with quantum mechanics. As our tools became better we started realizing that in certain exclusive conditions that long held solutions to problems didn’t always work. For.
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