This is an interesting article about how our brains release Dopamine as we solve problems as we program and how that effects our work.

I found this passage to be very interesting because I have such a hard time doing the boring work at the end of the project like documentation. I now know it's because it doesn't have that puzzle solvingness to it that gives me the Dopamine release like programming a complex algorithm.

This might just be a measure to separate the addicts from the team players: their willingness to do the "boring stuff" that gets the project done vs. their zeal for the "hard stuff" that makes it interesting. Obviously, few people like to do the "boring stuff" involved in any endeavor, but to the programming addict, it's almost unbearable.

http://virtuecenter.com/blog/the_effects_of_computer_programming_on_the_brain.html