Mark 10:8

and he and his wife must become one,' so they are no longer two but one.

Or, are you not aware that a man who has to do with a prostitute makes his body one with hers? For God says, "The two shall be physically one."

This is the way married men ought to love their wives, as they do their own bodies. The married man who loves his wife is really loving himself,

Treasury of Scripture Knowledge

And they twain shall be one flesh: so then they are no more twain, but one flesh.

Or, are you not aware that a man who has to do with a prostitute makes his body one with hers? For God says, "The two shall be physically one."

This is the way married men ought to love their wives, as they do their own bodies. The married man who loves his wife is really loving himself,

Therefore, a man must leave his father and mother and so perfectly unite himself to his wife that the two shall be one.