If you put all that Jesus said about Marriage/Divorce together you would certainly see God’s desire for our commitment to His Covenant of Marriage. It is clear He didn’t want us separating what He put together. However, there seems to be an exception in the Words of Jesus in regard to allowable and lawful divorce. Read it here:
In Matthew 19:9 And I say to you: whoever divorces his wife, except for sexual immorality, and marries another, commits adultery.”
and again in Matthew 5:31-32 “It was also said, ‘Whoever divorces his wife, let him give her a certificate of divorce.’ But I say to you that everyone who divorces his wife, except on the ground of sexual immorality, makes her commit adultery, and whoever marries a divorced woman commits adultery.
Now, it seems that Jesus has given an exception here doesn’t it? Think about it a bit deeper before you jump to that conclusion. Marriage is a Covenant. A commitment to exclusivity. Adultery, by its definition, is choosing not to be exclusive. Therefore, the ‘exception’ of sexual immorality is only an exception because it breaks the Covenant first…it removes the purity from the relationship. Now, does this mean that the marriage Covenant is absolutely over the moment a spouse is unfaithful. No. I want you to see a gracious Old Testament picture of how you could handle this. In the small book of Hosea, God tells Hosea to go and marry a sexually immoral woman:
Hosea 1:2-3When the LORD first spoke through Hosea, the LORD said to Hosea, “Go, take to yourself a wife of whoredom and have children of whoredom, for the land commits great whoredom by forsaking the LORD.”  So he went and took Gomer, the daughter of Diblaim, and she conceived and bore him a son.
Yet the woman goes back to her adulterous ways and breaks the Covenant promises she made to Hosea. Over time, God tells Hosea this:
Hosea 3:1-3 And the LORD said to me, “Go again, love a woman who is loved by another man and is an adulteress, even as the LORD loves the children of Israel, though they turn to other gods and love cakes of raisins.”  So I bought her for fifteen shekels of silver and a homer and a lethech of barley.  And I said to her, “You must dwell as mine for many days. You shall not play the whore, or belong to another man; so will I also be to you.”
This shows the great grace of God and the great grace of a person who follows God. Do we take the easy way out (divorce) or do we give grace and forgiveness and give all to repair a damaged and broken Covenant. God doesn’t break His covenants with us and nor should we break them with Him or the spouse He has given us. The picture of Hosea and Gomer is the picture of the redeeming love of God. He didn’t leave us because we left Him. He redeemed us through His perfect love in Christ Jesus. That is an example for us. Show His redeeming love today!