That would still constitute change in the Incarnation, and thus depart from the anti-Monophysite side of the formula of Christological Orthodoxy. Chalcedonian and Oriental Orthodox Christians agree that in the Incarnation Christ put on our humanity without change to His divine nature, as Eutyches suggested, and also contra-Eutyches without confusion between the human and divine natures, which to be clear, you did not suggest, but either change of the divine nature or confusion of the divine and human natures or a failure to take on our human nature as it was at His incarnation and to retain it and glorify it constitutes Monophysitism, rather than the Miaphysite Oriental Orthodox or the Duophysite Chalcedonian, or the revised Assyrian Christological formula adopted under Mar Dinkha IV in 1974 which took the Christology of Mar Babai the Great and removed the last traces of Nestorian influence (Nestorius, on the other hand, argued for separation between the humanity and divinity of Christ, which I believe could be implicit in what you are suggesting).
Your idea is furthermore inconsistent with the Patristic doctrines of Soteriologically, specifically the Athanasian principle outlined by St. Athanasius of Alexandria at the Council of Nicaea and in his book On The Incarnation, that Christ through His incarnation restored the divine image in us. The soteriological principle of Theosis, taught by the early church fathers and by the Eastern and Oriental Orthodox, is that as St. Athanasius put it, God became man so that we might become god, that is to say, that we might be recreated in the image of god that Adam and Eve were originally created in, and become through grace what Christ is by nature, which is not to say members of the Trinity, but rather, that in the resurrection we will gain the abilities we see in the risen Christ, which are the result of His glorification of our fallen human nature through His victorious sacrifice on the Cross. Christ is risen from the dead, trampling down death by death, as the Orthodox sing on Pascha (Easter Sunday).
If instead our Lord was weak like us merely because He set aside His divine abilities, it would suggest that after His resurrection, he simply picked them up again, without substantially changing what we will become in the Eschaton, which contradicts what St. Paul and the other Apostles taught, that we shall be changed, and raised incorruptible. Additionally, it also fails to explain why Christ our True God was able to perform miracles only God could perform, such as resurrecting Lazarus from the dead, Himself, personally, even after putting on our mortal human nature (we know those miracles were not performed by God the Father, because that would constitute people having seen the Father, and scripture makes it clear the Father is seen only in the person of Jesus Christ, and likewise we know that they were not performed by the Spirit, for the Spirit was sent to us as our paraclete by Christ on Pentecost, just as the Spirit sent Him into the world and ascended from Him at His baptism in the Jordan, which we celebrated yesterday (the 6th, the Feast of Theophany). The New Testament is careful to credit each person of the Trinity, which is revealed in the New Testament, with their acts, so that we can understand who they are more specifically (and then in retrospect we can see the three persons of the Trinity more clearly in the Old Testament). Now, these three persons are one God, but they are nonetheless distinct persons, who share a common essence from the Father (with Christ begotten of the Father before all ages, and the Holy Spirit proceeding from the Father), and are coequal and coeternal, but who are hypostatically and personally distinct. Christ our God also has both a human will and a divine will (or some Oriental Orthodox might say a will that is fully human and fully divine without change, confusion, separation or division), in contrast to what the Monothelites taught, that Christ had only a divine will, or what the Apollinarians taught, that Christ was a human being with a divine soul.*
By the way, to be absolutely clear, I am not accusing you or anyone else of heresy, or characterizing your views as heretical, rather, I am attempting to convey the imperative of adhering to the doctrinal formula for Christological Orthodoxy shared by the Chalcedonian majority of Christians with the Oriental Orthodox, and since 1974 at least, and I would argue since the sixth century, with the Assyrians** which is predicated on the need to avoid the two extremes of Nestorianism and Monophysitsm***, for this facilitates the soteriological model taught by the Early Church and consistently taught since, and indeed, Theosis might sound strange if you have not heard of it before, but in the West it has been taught by John Wesley, for example, who called it “Entire Sanctification”, and versions of it were also taught by Martin Luther and even John Calvin (our friend
@hedrick mentioned this fact to me some time back) and also by the Roman Catholics and numerous other Western Christian denominations; indeed the entirety of traditional liturgical churches whether Protestant, Orthodox, Assyrian, Roman Catholic, or Eastern Catholics in communion with Rome, teach some variation on Theosis, whether that is the very straightforward Entire Sanctification that was taught by John Wesley, which is basically a direct translation, or the somewhat different perspective of the Beatific Vision stressed in the mystical theology of Roman Rite Catholicism, which is nonetheless quite lovely.
Christology is a complicated subject and unfortunately a great many non-liturgical churches such as non-denominational megachurches, some of the Calvinist Baptist churches and independent Calvinist ministers, for instance, Rev. John MacArthur, have in recent years inadvertently revitalized old Christological errors such as Nestorianism, often for very misguided reasons, for example, out of a desire to avoid the veneration of St. Mary as the Theotokos, or birth giver of God (even though Nestorius himself actually accepted the term Theotokos, but he did introduce the Nestorian heresy as a means of reducing the veneration of St. Mary and he did promote the term Christotokos. The fundamental error of Nestorianism is of course the denial that St. Mary, the Theotokos, gave birth to God in the Incarnation, which is extremely problematic for the doctrine of the Incarnation because it requires a divison be imposed between the man Jesus and the divine Logos, and it also breaks the Patristic soteriological model. Additionally, Trinitarian theology is not being taught as clearly as it once was; many Christians become so accustomed to hearing to Jesus Christ referred to only as the Son of God, and the Holy Spirit referred to only as the Holy Spirit, due to some pastors failing to use the Trinitarian phrase “In the name of the Father, Son and Holy Ghost, One God, Amen”, for example, that when Jesus Christ or the Holy Spirit is referred to as God or made the subject of prayer, they become confused, despite confessing a belief in the Trinity.
Christianity at its core is unique among the religions of the world because, aside from being the only true religion, it is also both incarnational and Trinitarian. God is love because the Father, Son and Holy Spirit, three persons, exist for all eternity united in perfect love, and we are created in their image and our vocation is to form an icon of God in our relationships with our families, our neighbors, our spouses, our fellow Christians, and humanity as a whole. And we are saved because God became man and died in order to show us what it means to be human, as Fr. John Behr of Oxford University taught when he was dean of St. Vladimir’s Orthodox Seminary in New York for many years (before succeeding in the position of teaching Eastern Christian studies at Oxford after the health of the emeritus professor Metropolitan Kallistos Ware, memory eternal, began to fade prior to his repose shortly before the repose of Queen Elizabeth II, memory eternal.
*The Apollinarians were also Chiliasts; the clause of the Nicene Creed in the current recension adopted at the Council of Constantinople at 381 AD that asserts, based on Scripture, that the Kingdom of Christ shall be without end was intended specifically to refute Apollinarian Chiliasm, interestingly enough, and it is for this reason that I regard the premillenial dispensationalism first taught by John Nelson Darby as being inconsistent with the Nicene Creed in its present form, although it would be compatible with the form adopted in 325 AD at Nicaea, but that form of the Creed proved inadequete, as semi-Arians, Macedonianists (also known as Pneumatomacchians, who denied the deity of God the Holy Spirit) and Apollinarians were able to confess it, which is the main reason why it was revised at the Council of Constantinople convened by St. Gregory the Theologian after the death of the last Arian emperor Valens and the coming to power of Emperor Theodosius I, who ended the persecution of Christians by Arians which had plagued the early Church since the death of St. Constantine, for even though Emperor Constantine convened Nicaea and supported it, he fell under the influence of the crypto-Arian bishop Eusebius of Nicomedia, who baptized him on his deathbed, and thus won over the loyalty of his son, the future emperor Constantius, who became a devoted Arian, and every Emperor from Constantius through Valens, except for Julian the Apostate (who ironically reduced the persecution of Christians, because in his mind Christianity was Arianism, and the Orthodox Christian faith was a heresy, and sought to exact revenge on behalf of Neo-Platonist Paganism and distress the ruling Arian hierarchy by reducing the persecution of the actual Christians, and also of the Jews, who he authorized to attempt to rebuild their temple (this did not get anywhere; he was in power for only a year or so).
**Some erroneously call the Assyrian Church of the East Nestorian Church, but this is not technically accurate; the Church of the East did briefly embrace Nestorian Christology, before replacing it with what amounted to a translation of Chalcedon by Mar Babai the Great in the early sixth century; rather, the Church of the East was a church initially subordinate to the ancient Patriarchate of Antioch, which was responsible for those Christian dioceses outside the Asian borders of the Roman Empire, such as the Christians in Mesopotamia, Persia, Arabia Felix (now known as Yemen) and the Mar Thoma Christians of Kerala in India (who were evangelized by St. Thomas from members of both the Kochin Jews who had been in Kerala since the time of Alexander the Great, such as the famous Sassoon family, whose scions include Vidal Sassoon, but who mostly emigrated to Israel after the end of the British Raj, although their Paradesi synagogue is still intact) and the gentiles, the latter action resulting in his martyrdom by an enraged Hindu prince wielding a javelin. Alas this would not be the last instance of violent persecution of Christians by the Hindus, which has been increasing in India in recent years with the increased popularity of Hindu nationalism.
*** Monophysitism itself is often called Eutychianism, particularly by those who incorrectly accuse the Oriental Orthodox of being Monophysites