Now, matter-of-factly with out looking up from the book: "Actually, we established that you do care by how you're pressing the matter and continuing to stay in my presence even after I've done my verybest to make you go away. You also seem to have some sort of problem with authority, not that I mind it. And you're probably disturbingly lonely because you feel the need to spend your time with a cantankerous old man like me."