This, then, brings us to the most basic cause, the root cause, of marriage failures. It is this: One mate, or both of them, ignores the laws and principles for marital happiness laid down by Jehovah God, the One who made humans and marriage.

When couples cooperate within the framework of those wise, practical laws and principles, marriage success will follow. But when they are ignored, trouble is not far behind.

That formula for marital happiness is not left to our imagination. It is recorded in the guide that the Creator has authored for our benefit​—his Word, the Bible.

Many people believe that marriage is of human origin, that it sort of evolved over the ages to fill a human need. Others, while they may say that they believe in a Creator, make little or no effort to find out his will.

Hence, the fatal flaw of all these vast numbers of people is letting human wisdom alone guide their marriage. They ignore the superior wisdom that comes from the One who knows best, the Originator of marriage.