Is numeracy a sufficient condition to be considered a geek?

I was recently listening to some woman gush about geekdom, and she was going on about how numeracy is definitely a necessary condition in her estimation….

My first thought was: Does this woman even realize that the whole notion of numbers is pure fantasy? There exists not a single number anywhere — they are nothing more than made-up ideas. (sorry to pop your bubble, woman )

This brings me to the question: Are all geeks simply la-la dream-world lunatics? Or can you be a geek and at the same time be somewhat in touch with reality?

Inquiring minds want to know….