greetings in that divine and most precious name of Our Lord and Savior Jesus Christ!
I understand that OO church stays within the true logic, that "If there is no unity, there is no incarnation", but what about the verses that are in Bible and which I just mentioned.
Through the Incarnation, the pre-existing, Eternal Word of God, the Second Person of the Holy Trinity, became hypostatically united with the human flesh, blood, body, and soul of Jesus Christ. His humanity is not pre-existing to His Incarnation, rather like our own births, Jesus Christ the Word united and took the form of a human body at His Incarnation in the womb of the Virgin. In the womb, the Divine Word of God united with the human body and soul created for Him as Jesus Christ. After the Union, the Divine Word perpetually exists through the Hypostasis of the Divine-Man Jesus Christ. His body and soul are perfectly human, perfectly mortal, perfectly weakened as being the same as our own human bodies, however united to this weakness is the fullness of the Godhead. Lets get very scientific about it.
We human beings are not self-existing, we depend fully upon the Actions of God to create and sustain our very forms of existing. The atoms and subatomic particles which make up the physicality of our existence do not self-exist, God perpetually manifests this existence. Without the Divine, there would be simply nothing in existence. Jesus Christ, as to His Humanity, is not self-existing. His human body and soul, like our own, depends fully upon the Grace of God simply to subsist and exist. Without the Divine, Jesus Christ's own humanity would stop existing.
However, Jesus Christ is the Word of God, God Himself, and so through His Incarnation, the Word continues to be Divine, and as such sustains all of Creation. While Jesus Christ's human nature is not self-existing, through the Union of the Incarnation, the Divine Word now exists through the human hypostasis. Think of it like a battery and a circuit of wires. The wires do not generate their own electricity, they must be connected in circuit with the power source of the battery. Once connected, the wires are alive with the energy of the battery, and they exist temporarily as one as the power flows through the circuit. If the battery connection is broken, the energy stops flowing and the wire is dead. As to Jesus Christ, think of His human body and nature as the conduit, the wire, and His Divinity as to the Battery or energy source. The Incarnation and Union is the connection of the human body wire to the Divine battery, so that the Divine sustains the human, like the battery gives energy to the otherwise lifeless wire. It is precisely THROUGH THIS CONNECTION that the action happens. It is the same with the Union.
The humanity continues to depend upon God, but in being God, Jesus Christ's human nature now depends upon Himself for existence. Whereas, we ourselves, always depend upon Him for the existence of our bodies and souls, He depends upon Himself, but in a mechanical way. His Hypostatic Body is at once both mortal, weak, and human, and yet because it is United to the Godhead in a Mysterious way, He sustains Himself and all things. He sustains His own Humanity, but that humanity is a natural humanity, and for all of eternity will continually depend upon the power of His Divinity to exist, just as our own humanity depends upon such. The Union is unbreakable, and so He will always sustain Himself, and yet He will always exist through His Human-Divine hypostasis, which is at once both weak and Immortal. His Humanity depends upon His Divinity, and that is what we imply by the Union. The Temptation of Christ is to abandon His Humanity, to let it go as we all sometimes feel tempted to do, and return simply to His Divine existence. He is tempted in the flesh in a literal way, because His flesh depends upon Himself to exist, but like our own flesh, it is a faculty of His Free-Will. The Temptation is to be hunger, or thirst, or afraid, are desire a different outcome, are perfectly human because our human instinct to survive, and yet because He is God, He can fulfill His own needs. So He can be at the same time both tempted in the Flesh, and yet by virtue of the Union conquer any kind of temptation being inherently God. Realistically, it is fair to say that God entered the game of physical reality in a very real and not illusory way, and yet being God always maintains the agency to use all the cheat-codes