Mark 10:8

New English Translation

and the two will become one flesh. So they are no longer two, but one flesh.

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That is why a man leaves his father and mother and unites with his wife, and they become a new family.

Therefore what God has joined together, let no one separate.”

Or do you not know that anyone who is united with a prostitute is one body with her? For it is said, “The two will become one flesh.”

In the same way husbands ought to love their wives as their own bodies. He who loves his wife loves himself.