Superhero really does seem about right - or maybe an android... *g* And yes - I'd love to know how to warm myself up just by thinking about it. Just think how many lives could be saved!

I'm not convinced that he doesn't sleep either - I imagine it more as being the kind of insomnia where you think you're not sleeping, but actually you're getting enough to function. Cos otherwise he couldn't! I like that Doyle calls him out on that, too... *g*