You may be a nerd if..

You may be a nerd if you have an email exchange like this with your boss.

Boss:
Did you just build this?

You:
I went for a run at lunch, and I coded it in my head, I just downloaded it when I got back.

* * *

As a programmer, I find that I'm often 'coding-in-my head', especially when I'm out on a run. It's amazing how many of the morning's problems, I have solved over a lunch-time swim, or a lunch time 5K.