You ask, "Why does he not?" Because the LORD was witness to the covenant between you and the wife of your youth, to whom you have been faithless, though she is your companion and your wife by covenant.
Revised Standard Version of the Bible, copyright 1952 [2nd edition, 1971] by the Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved. (Revised Standard Version - Holy Bible)