"I will send you a copy by owl, but it's quite heavy so it will take a while to get it to you." He cringed when she said physiology. "I study philosophy. Psychology is very interesting and I do like it myself but philosophy, I feel, goes more in depth." He thought about what she had just said. "I do know of the theory you speak of but magical creatures, including magicians and witches are out of this boundary. They work with separate rules to that that rule the muggle world and science. I talk about that in my paper for around fifty pages. I do have actual expierements that show this difference of the use and disuse theory in magical creatures in a different paper. I will send that also." Andre looked at this girl in her eyes. He had never been able to do that before, even with his own mother. He smiled.