(Rom 6:5) “For if we have been planted together in the likeness of his death, we shall be also in the likeness of his resurrection:” Being made one is not an unusual concept in Scripture. The Lord chooses to look at a man and woman as one (Matt 19:6; 1 Cor 6:16). By the way, a husband and wife’s spirit are also made one in the sight of God. Give a careful reading to Malachi 2:13-16.