Probably the greatest mistake of most marriages is the belief that the purpose of marriage is for your spouse to meet your needs.  Yes, God uses your spouse to help fulfill your needs.  But the purpose of marriage goes far beyond that.  Learn a right perspective of marriage and its purpose.  Learn how to turn a marriage into ministry, a demonstration of Christ and His kingdom; not a perfect marriage, but one that is willing to grow and learn how to become an instrument of change for others.