Have you ever tried to use a camera on a single pole? Oops! Most pictures you take will either be of the ground or the sky. How about using a two-legged stand? Not much better is it? There is a reason we use a tripod! It takes three to form a solid, complete base for anything.
Three is definitely the way to go in marriage. With God at the center, a man and woman can have all they need to live a full and enriching life together as husband and wife. These three—God, the husband, and the wife—form a complete arrangement for spiritual wholeness and loving support.