Just like going to the gym and building up strength, the more you train your willpower by accomplishing tasks on a consistent basis, the more you’ll have of it.

In order to be happy, you must first train your brain to perceive the good that happens to you.

One way to do this is by writing down three good experiences you live on a daily basis: appreciation comes from within, just like happiness.

A simple semantic tweak can actually change your outlook. Instead of telling yourself, "I'm not good at this, I can’t do it," train yourself to say, "I think I may not do it. "

This little change of wording gives you distance and reminds you that your low self-esteem moment is just t...