Surgery Analogies FTW?

It's day 14 of NaNoWriMo, and I'm totally physically exhausted. I am actually ahead in my writing by a couple of days, and it has not been too much trouble sustaining momentum, but I find that between a hectic work schedule and job that requires a lot of thinking and writing in the evenings, I am often physically shot in the mornings.

I have never been a…