I find that the key to going through long work days is to have a routine.<p>Out of my 16.5 hours of being awake, 14 hours go towards my startup.<p>Come to think of it, I think I'll write up a post about it. Since it'd be a wall of text on HN otherwise.<p>Ok here it is: <a href="http://news.ycombinator.com/item?id=1051217" rel="nofollow">http://news.ycombinator.com/item?id=1051217</a>