Lost my interst in science? That's preposterous! Sure I may have subsidized that around my father but nothing could take my craving for knowledge.
[Look at that twinkle in his eye as he stares beyond 'Harry' for a moment. Holding his books close to him. They'd have to reconfigure his whole personality and snaps back]

Well, see you around Mr. Callahan. I have science to get back too.