And they two shall be in one flesh: so that they are no more two, but one flesh.
Therefore a man will leave his father and his mother and will cleave to his woman; and they shall be into one flesh.
What therefore God yoked together, let not man separate.
Or know ye not that he joined to a harlot is one body? for they shall be, he says, they two into one flesh.
So ought men to love their own wives as their own bodies. He loving his wife, loves himself.