5.
God
When you have done it all and there is no where left to turn, people tend to turn to a higher power. It's probably because life is hard to handle at times and humans can only do so much and so much is left out of our control.
Sometimes we just have to to let go of our worries and give them to God or a higher power. We can drive ourselves and our family members crazy with our worries, or we can pray about it and meditate on it and let the world deal with it while we believe and have faith that it will all work out.