Divorce and remarriage is always a bad thing. Why? Because it was never a part of God's original plan. Where there is divorce and remarriage, there is always sin. God's design for marriage in Genesis 1 and 2 left no room for either divorce or remarriage...there was absolutely no context for it. Divorce was only allowed (and with narrow exception) because of our hardness of heart. Because of sin. Divorce should never be the 1st option, or the 2nd, or the 3rd, or the 4th...it should be the last thing, even when permissible. The Gospel compels us to aim for reconciliation even when there is sexual immorality.