There is a theory which states that if ever anyone discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable. There is another theory which states that this has already happened.
When a child learns to walk and falls down 50 times, he never thinks to himself: 'Maybe this isn't for me ?'. Where did you learn to quit ?
If at first you don't succeed - change the rules.