Why do we make bad decisions? Why do we eat that extra cookie or choose a cheeseburger instead of a salad with grilled chicken? It turns out there is nothing wrong with you when you give into fatigue or temptation. Your brain has simply run out of gas.

Anyone who has tried to break a bad habit has experienced the trouble with willpower. You want to stick to your diet, but you find yourself standing at a buffet filled with tempting desserts. Psychologists have been quite interested in understanding why willpower works so poorly.

When you're stuck and are relieving stress now by acting in ways that cause problems later, it's important to figure out how to regroup.

Who among us has not made a plan to get up in the morning and exercise, but then hit snooze one time too many, sleeping through our morning jog?

Most people have at least one area in which they lack willpower. How can you increase your willpower? Here are some techniques, using exercise as an example, that should help.