After An Explosive Argument, How Do You Reconcile With Your Spouse?

Even in the most loving, peaceful relationships, arguments happen. Sometimes they get heated and very ugly. What happens when in a moment of rage, you and your spouse begin to say the unspeakable? What happens when bad names are called and someone hits below the belt with hurtful remarks? What happens when someone threatens divorce? When it gets this bad, can you reconcile? What words can you say to erase the effects of the extreme hurt caused by the argument