Even the greatest champions have setbacks, but obviously they don't let that stop them. You can become a champion if you have the right attitude and the right state of mind. It's easy to stop trying. You have the ability to separate yourself from the average person. Most people don't have goals and don't care.
Little effort returns little reward, but great effort put into a goal gives immeasurable returns.
It's always worth the effort. The following was sent to me by a good friend via email. Seeing no way out, he dropped to his knees in prayer. I have too heavy a cross to bear. Then open that other door and pick out any cross you wish.