Remarriage is a normal pattern. Remember the pattern for the Biblical woman in Proverbs. She looketh well to the ways of her household, and eateth not the bread of idleness. Nip certain things in the bud. Now we command you, brethren, in the name of our Lord Jesus Christ, that ye withdraw yourselves from every brother that walketh disorderly , and not after the tradition which he received of us.
Small sins lead to big consequences.
But let none of you suffer as a murderer, or as a thief, or as an evildoer, or as a busybody in other men's matters . Faithfulness and unfaithfulness do not mix. Out of the same mouth proceedeth blessing and cursing. My brethren, these things ought not so to be. When the church won't follow the rules of government cults develop.