Let the husband render unto the wife her due: and likewise also the wife unto the husband.
All Commentaries on 1 Corinthians 7:3 Go To 1 Corinthians 7
Ambrosiaster
AD 400
Husband and wife must submit to one another in this matter, since the two of them are one flesh and one will, according to the law of nature. Commentary on Paul’s Epistles.