consider these scriptures I’m in no way trying tommake you agree with me just wanted to offer some scripture to help
“For there are three that bear record in heaven, the Father, the Word, and the Holy Ghost: and these three are one.”
1 John 5:7 KJV
the word who is one aspect of God has a purpose not only to exist and bear record in heaven but also this purpose
“In the beginning was the Word, and the Word was with God, and the Word was God.
The same was in the beginning with God. All things were made by him; and without him was not any thing made that was made.
And the Word was made flesh, and dwelt among us, (and we beheld his glory, the glory as of the only begotten of the Father,) full of grace and truth.”
John 1:1-3, 14
so christs thinking while he was a man according to Paul was this
“Who, being in the form of God, thought it not robbery to be equal with God:
But made himself of no reputation, and took upon him the form of a servant, and was made in the likeness of men:
And being found in fashion as a man, he humbled himself, and became obedient unto death, even the death of the cross.”
Philippians 2:6-8 KJV
the time he spent preaching the gospel God had become a man the promised son of God who would come according to the prophets and law . But he is God without a doubt . He is Gods full manifestation in the form of a man
“For in him dwelleth all the fulness of the Godhead bodily.
And ye are complete in him, which is the head of all principality and power:”
Colossians 2:9-10 KJV
Gods plan to save man was to become one of us for a time , teach us the truth of God and salvation , die for our sins , and conquer deaths grasp on mankind for those who believe and then whe. He returned to heaven
“And now, O Father, glorify thou me with thine own self with the glory which I had with thee before the world was.”
John 17:5 KJV
Jesus is God the father who came into the world and humbled himself to be one of us in order to redeem deaths power over man
“Forasmuch then as the children are partakers of flesh and blood, he also himself likewise took part of the same; that through death he might destroy him that had the power of death, that is, the devil; And deliver them who through fear of death were all their lifetime subject to bondage.
For verily he took not on him the nature of angels; but he took on him the seed of Abraham. Wherefore in all things it behoved him to be made like unto his brethren, that he might be a merciful and faithful high priest in things pertaining to God, to make reconciliation for the sins of the people.
For in that he himself hath suffered being tempted, he is able to succour them that are tempted.”
Hebrews 2:14-18 KJV
he had to do it for salvation become on of us subject to the law and temptation having a body of flesh or all was lost in death because of sin