Did you know that God ordained divorce as surely as he ordained marriage in the books of Moses?  Jesus referenced Moses when he discussed divorce.  If one spouse fears the other may leave it keeps them in check and requires both spouses to submit to each other to the degree necessary to maintain a healthy relationship but not to submit to the point they are so miserable they would rather leave.  With a divorce for a valid reason the spouse may find themselves better off than if they stayed married.  Divorce is an act of unfaithfulness except for numerous valid reasons listed in scripture

If your spouse treats you like a jerk and is unfaithful (not sexually unfaithful necessarily there are numerous other kinds of ill conduct to broad to list in full) there is no need to put up with it, but if you divorce your spouse over a trivial act of unfaithfulness like burnt toast due to negligence you may find your next spouse even worse so this brings impetus for mercy in spite of the ability to drop ones spouse at the tip of a hat.  In spite of the potential for good divorce can sometimes be a sin because if you promised a life commitment unless certain unfortunate disclaimers occur and you divorce for invalid reasons you were unfaithful.  

I suggest couples planning on marriage do not take the UBF and Roman Catholic traditional marriage vows nor get a marriage certificate from the “state” (unless under duress from the state such as in Muslim countries where failure to have it may lead to punish for intimacy, etc.) they are contrary to the provisions for divorce in the Bible.  If you got married and were misled by a third party into taking vows that both you and your spouse regret that maybe valid grounds to redo your agreement in a mutually agreeable way.  Research what the biblical divorce provisions are from a wide variety of viewpoints before getting married and make the marriage agreement the way you and your partner want not the way a clergyperson or state bureaucrat or relative or other individual tells you with blind faith.  These vows have trapped people in abuse, lifelong isolation,  unquenchably painful burning passions with no remedy and poverty all contrary to the original intent of scripture in my viewpoint.  I suggest you research it yourself.

many civil marriage vows are adapted from the traditional vows, taken from the Book of Common Prayer, “To have and to hold from this day forward, for better for worse, for richer for poorer, in sickness and in health, to love and to cherish, till death us do part.”[8]

https://en.m.wikipedia.org/wiki/Marriage_vows

Accessed from this website on 2017 March 25

When a man hath taken a wife, and married her, and it come to pass that she find no favour in his eyes, because he hath found some uncleanness in her: then let him write her a bill of divorcement, and give it in her hand, and send her out of his house.  Deuteronomy 24:1 kjv
Uncleaness or repulsive Contagious sickness maybe a valid reason for divorce.  Aids would be a great reason for divorce and may come from reasons other than sexual activity such as blood borne pathogen accidents contrary to the sickness and health vow

Exodus 21:10-11New American Standard Bible (NASB)

10 If he takes to himself another woman, he may not reduce her [a]food, her clothing, or her conjugal rights. 11 If he will not do these three things for her, then she shall go out for nothing, without payment of money.

Footnotes:

Exodus 21:10Lit flesh  

https://www.biblegateway.com/passage/?search=Exodus+21%3A10-11&version=NASB 

Accessed from website 2017 March 25

If forced isolation or health problems make conjugal rights problematic again this maybe grounds for divorce contrary to the vow above.  Extreme poverty may also be grounds for divorce contrary to the vow above as provision for food might be no longer reasonably accessible.  This need not be due to unfaithfulness but merely unforeseen circumstances

“Whosoever shall put away his wife (not a sexual act), except it be for fornication, and shall marry another (marrying is not a sexual act), commiteth adultery (moichaomai):…” Since no sexual act is involved, “moichaomai” cannot mean sexual sin in this passage!

Some “pre-King James” translations use the word, “avowteria,” or the phrase, “break marriage” to translate moichaomai. “Avowteria” is not listed in current dictionaries, but seems to mean “vow-breaking.” Current German translations of Mt.19.9 do not use a word akin to “adultery,” but translate moichaomai as “bricht die Ehe,” which literally means “breaks the marriage.” Accordingly, sexual activity is NOT part of the definition of moichaomai in a divorce context, and the use of the “adultery” words therein is incorrect.

The original meaning of the Greek “moich” words (3428 through 3432) has apparently been lost.

http://ntwords.com/adultery.htm

Accessed from website 2017 March 25

I need to look into this further and perhaps one of the major premises of this article Is wrong that a vast variety of types of unfaithfulness that are not sexual (too many to fit in a reasonable finite list other than to give them the blanket term unfaithfulness)  are valid grounds for divorce.  I may have jumbled the orders of words in my mind and it is merely that divorce for reasons other than porneia (sexual sin or uncleaness) is generally a sinful act that is a non sexual sin. I hope to reexamine this further and post further insight in the future but I will leave this as a final note for now that even if that premise is wrong my article as a whole stands that exceptions were clearly allowed for divorce and we ought to contemplate what they are, failure to do so is to the detriment of marriages everywhere as unchecked permanence of marriage regardless of wicked deeds is a license for sin and unfortunate circumstances may make a marriage problematic in spite of faithful intentions of both spouses.

In designing the prospect of divorce God may have ironically designed the glue to keep healthy marriages together.  Take away the prospect of divorce and the people maybe married but their relationship may none the less lose unity and joint submission to please one another.  Having divorce as an option does not strain relationships but show you value the relationship so much you still are willing to retain it given the option to end it.