Most Relevant Verses
Marriage is to be held in honor among all, and the marriage bed is to be undefiled; for fornicators and adulterers God will judge.
But immorality or any impurity or greed must not even be named among you, as is proper among saints;
Flee immorality. Every other sin that a man commits is outside the body, but the immoral man sins against his own body.
For this reason a man shall leave his father and his mother, and be joined to his wife; and they shall become one flesh.
More Verses on Cohabitation
But because of immoralities, each man is to have his own wife, and each woman is to have her own husband.
There is a way which seems right to a man, But its end is the way of death.
Or do you not know that the unrighteous will not inherit the kingdom of God? Do not be deceived; neither fornicators, nor idolaters, nor adulterers, nor effeminate, nor homosexuals,
abstain from every form of evil.
"And I say to you, whoever divorces his wife, except for immorality, and marries another woman commits adultery."
For this is the will of God, your sanctification; that is, that you abstain from sexual immorality;
Now the deeds of the flesh are evident, which are: immorality, impurity, sensuality,
But I say to the unmarried and to widows that it is good for them if they remain even as I.
A wife is bound as long as her husband lives; but if her husband is dead, she is free to be married to whom she wishes, only in the Lord.
Do not be deceived, God is not mocked; for whatever a man sows, this he will also reap.