I don't have faith because life is good. My life is good because of my faith. I get knocked around, feel down and frustrated some days. But remaining that way is tiring and self defeating! You just have to know and believe that God (or your Higher Power) will not fail you. He is preparing you for greatness!
The entire object of true friendship/relationships is to make people not merely do or say the right thing, but to enjoy saying and doing the right things; not merely to like, but to enjoy being admired, and not merely to love, but to love unconditionally and all their flaws.