Worry

Worry and fear are nothing but peace killer, and to crown it all, it doesn't add anything into your life. Nobody wins an award for being worried nor get promoted because he or she worried a lot. You can't make you get anything and that means you can't loose because you worry. Worry is just an instrument to make you yield to temptation.
I will use an illustration of a soccer game, and in this game each opponent have group of people cheering them known as fans. And this fans makes the loudest notice to intimidate the opponent so as to enable their team win the game. The fans do not directly determine the winner because they don't play the match, they are only there to cheer up their team. This is what fear and worry signifies. they are only there to encourage failure by coming into your mind. But you can conquer it by ignoring the advances of fear which is exactly what professional soccer players must do to win.

Worry can drain our energy, make us grouchy, and even make us sick. Worry has many negative side effects and none that are good. it is totally useless! We worry simply because we don't trust God. We worry because we are afraid things in life won't turnout the way we hope. So we think we can solve our problems ourselves.

Source

The solution to worry is total abandonment to God and His plan. Even when unpleasant things happen, which they do in everyone's life, God has the ability to make them work out for the good if we continue to pray and trust Him.