To all other friends here, I'm sure most of you have read the recent article by Jessica Livingston, What Goes Wrong. In the article, she said, "We tell people that during YC there are really only three things you should focus on: building things, talking to users, and exercising." Over the past year, I've been doing exactly the three things, and I'm feeling healthy in spite of the long hours, and crazy schedule.
Take care of yourself, everyone. So often we hear people say that doing a startup is a marathon, not a sprint. We really need it take it to heart.