Matthew 19:6
So they are no longer two, but one flesh. Therefore what God has joined together, let man not separate."
Romans 7:2
For a married woman is bound by law to her husband as long as he lives, but if her husband dies she is released from the law of her husband.
Mark 10:9
Therefore what God has joined together, let not man separate."
1 Corinthians 7:10-14
To the married I give charge, not I but the Lord, that the wife should not separate from her husband
Ephesians 5:28
So husbands ought also to love their wives as their own bodies. He who loves his wife loves himself.
Hebrews 13:4
Let marriage be held in honor among all, and let the marriage bed be undefiled; for God will judge the immoral and adulterous.