1 Corinthians 7:2

7:2 But because of immoralities, each man should have relations with his own wife and each woman with her own husband.

1 Corinthians 7:28

7:28 But if you marry, you have not sinned. And if a virgin marries, she has not sinned. But those who marry will face difficult circumstances, and I am trying to spare you such problems.

1 Corinthians 7:36

7:36 If anyone thinks he is acting inappropriately toward his virgin, if she is past the bloom of youth and it seems necessary, he should do what he wishes; he does not sin. Let them marry.

1 Corinthians 7:39

7:39 A wife is bound as long as her husband is living. But if her husband dies, she is free to marry anyone she wishes (only someone in the Lord).