Usui Sensei, the recognized founder of Usui Reiki once said, "Just for today, do not worry. Be filled with gratitude." There are reasons why the great Reiki teacher uttered such words. And it's primarily because he knows how much power your thoughts and statements have on you.
If you tend to worry about a lot of things such as your job, money, health, and everything else in between, negative energy will flow into your body. The positive, mind enriching ones will be cast away to your disadvantage.
Everything ...