Deviation from God's perfect will in marriage has terrible consequences.
Though polygamy was a common practice in the Old Testament period, it was not sanctioned by God. It was one of those things He allowed because of the hardness of hearts of the people.
Christ affirmed that it was not so from the beginning
(Matthew 19 : 8 ).
God's original and perfect plan in marriage is lifelong monogamy; no divorce and remarriage while the other partner lives
(Genesis2:24; Matthew 19:3-9; 1Corinthians 7:2-4,10)