“Why not?” you ask. Because the Lord witnessed the vows you and your wife exchanged when you were young. You were unfaithful to her, your wife and partner joined to you by marriage contract.
For I hate divorce, says the Lord God of Israel, for it's a violent attack on the wife, says the Lord Almighty. So watch what you do, and don't be unfaithful.
“Then why did Moses give the command that a man could divorce his wife by giving her a written certificate of divorce, and sending her away?” they asked.