John 4:18
"for you have had five husbands, and the man you now have is not your husband; in this you have spoken truly."
Mark 10:12
and if she divorces her husband and marries another man, she commits adultery."
Romans 7:3
So then, if during her husband lifetime, she unites herself with another man, she will be counted an adulteress; but if her husband dies, she is free from the Law, so that she is no adulteress, even if she unites herself with another man.
1 Corinthians 7:10-11
But to those already married my commandment is??nd not mine, but the Lord's??hat a wife is not to leave her husband;
Hebrews 13:4
Let marriage be held in honor by all, and the marriage bed be undefiled; for fornicators and adulterers will God judge.