The problem with New Year's resolutions - and resolutions to 'get in better shape' in general, which are very amorphous - is that people try to adopt too many behavioral changes at once. It doesn't work. I don't care if you're a world-class CEO - you'll quit.

Learn to be difficult when it counts

Reality is negotiable.

Having a size 9 foot is fantastic because almost all of the shoe companies do their prototyping in size 9, so if you visit a place like Nike headquarters, you can try every sort of wacky, out-there model.

Excitement is the more practical synonym for happiness, and it is precisely what you should strive to chase. It is the cure-all.

The start of the day is often the best time to get things done. This is somewhat related to willpower.

Focus on being productive instead of busy.