His humility is the key to a healthy marriage. If two people make it their goal to imitate the humility of Christ, everything else will take care of itself. It really is that simple. Arguments escalate when we want to be right more than we want to be Christ. It is easy to get blinded in the heat of disagreements. Soon, all we want is to win, even if victory requires sin. The one who wins the argument is usually the one who acts less like Christ.