text:  So it's a picture of God's relationship with us. And to have children and to populate the world. A man and a man cannot have children. A woman and a woman cannot have children. And what is the very first commandment given to humans in the Bible? Not the greatest commandment, which we all know is love God and love your neighbor is the second greatest commandment. But the first commandment, chronologically, the very first commandment ever given is to be fruitful and multiply and fill the earth. You cannot be fruitful if you're married to the same sex.