Try losing ideas in God and religion and stuff and try harder making better decisions and controlling your own life. Quit depending on a non-existent deity's assistance. Take responsibility for your own future. Or sit in your room and pray really hard. See where that gets you.
Because, people are constantly being tested. If you are in a bad situation, but you remain good, and still believe in g-d, then you will be rewarded in the world to come. People who turn bad in a bad situation, get punished.
Because we live in a fallen would. You have to believe that He is building character and patients. Thinking that you can take control and fix things better than God could is when we really screw things up!!