Living Together vs. Marriage

1 Corinthians 7:2 (NKJV) “Nevertheless, because of sexual immorality, let each man have his own wife, and let each woman have her own husband.” 1 Corinthians 7:8-9 (NKJV) “But I say to the unmarried and to the widows: It is good for them if they remain even as I am; but if they cannot exercise