The Art of Manliness is a blog who's purpose is to inject a shot of adrenaline into the chest of the lazy, beer guzzling, sweats wearing, couch potato that is today's modern man. Now, I don't want you to think that if you're not a man you can't get anything out of this blog. There is so much useful content here that you could probably read for days and still find useful tips, fascinating facts, and life changing philosophies.
One of the articles that I have enjoyed is called: Willpower Part III: How to Strengthen Your Willpower and 20 Ways to Conserve It. The whole site is basically about bettering yourself, and this article focuses on how to strengthen your willpower so you don't find yourself giving into the various temptations that you might be trying to avoid (i.e. spending too much money, eating to excess, etc.).