[He desperately wants to ask for the full lecture, but he knows that he doesn't have time now and he won't put his own quest for knowledge above his promises to Stephanie.]

I can't stay that long right now, we're almost to the funeral home. But maybe I have time for one question... what is mako? Where does it come from? How is it made?

[Okay, so technically that's three questions, but they're connected.]