These three verses conclude the directions to the husbands. They are a summation of the previous principles. The marriage union brings satisfaction to the participants. It is God's plan for most people. Marriage, like the Christ's union with the Church, is a mysterious union.
Marriage brings physical satisfaction as well as emotional satisfaction.
It brings a spiritual satisfaction also. Marriage is God's divine vehicle to meet many of the needs of human beings. We don't need new self-help books or psychological tests to determine priorities. We need Christians, both men and women, to renew their determination to practice scriptural principles in their marriage relationship. There are few guarantees in today's world.