It is possible to love the vine so much that when it withers you wonder if there is any reason left for living. The Bible has a name for this: idolatry. If you feel that without a certain person, or position, or achievement, your life would not be worth living, you may be deeper into idolatry than you think. Friends, family, money, ministry and success are good gifts from God that can bring you great happiness in life. But they are not the purpose of life. Thank God for the vine, but don’t live for the vine.