What is marriage? The legally or formally recognized union of two people as partners in a personal relationship (historically and in some jurisdictions specifically a union between a man and a woman. A marriage is ministry and hard work many times. Marriage is a union where you give much more than you receive and it feels so good to do it. How do you keep a marriage by both people following the word of God and prayer unselfish prayer. Union between one man and one woman is reconized all over the world. Male and female created he them.