What? know you not that he who is joined to a harlot is one body? for two, says he, shall be one flesh.
All Commentaries on 1 Corinthians 6:16 Go To 1 Corinthians 6
Oecumenius
AD 990
A man guilty of fornication and the impurity which comes from it insults his marriage and his wife. He sins against his own body and consequently against his wife, because the two are one flesh. .