We are now living in the 21st century. Everything around us is changing. Our society is broader and our global network is smaller than ever. Technology has permitted us the opportunity to become global citizens. Our world has evolved from the days of Abraham and Sarah, of being a patriarchial, agrarian society. We are now a society of consumers and capitalism drives our economy. Everything about our society has changed. Even for some, the definition of marriage, a covenant before God between one man and one woman, is also being challenged by gay rights activists. As man has evolved in his practice of Christianity, no longer being bound by the Mosaic law, has God changed his purpose for marriage? We know him to be, according to Psalm 102:27, a spiritual being who will never change or end. As God never changes neither does his definition of marriage. I will prove that the sanctity of marriage should be upheld as the standard of Christianity between one man and one woman. Marriage is a covenant before God. It is consummated by sexual intercourse between the man and the woman. Andreas Köstenberger, author of God, Marriage, and Family, advises on five marital concepts to which all Godly relationships must commit. First, marriage is permanent. Divorce is not an option except in certain circumstances advised by Jesus in Matthew 19:9 Those seeking to marry should seek out wise counsel. Second, marriage is sacred before God and he honors it because he created it. Next, marriage is the most intimate relationship two people can have. The “one flesh” suggests emotional and sexual intimacy as to people become one. God designed for the marriage bed to be pleasurable. Further, marriage is a selfless act. It is the concern and well-being of the other committed person. It is what Paul discussed in 1 Corinthians 13. Love is patient and kind. It is