I think Christ had to become Man with His own Spirit. That makes a Man worthy of the ultimate sacrifice. It wasn't necessary for the physical body that Christ's Spirit was in to be particularly special at birth. The Baptism made it ready for what He was here to do.
His authority and anointing to preach the gospel is what came at baptism, because that was the appointed time for the kingdom to be preached .
when you say he became a man with his own spirit , I’m not understanding what you are meaning . Are toy
Talking about his life prior to ministry ?
brother his life on earth as the son , is
an example for us who are the children. Yes he had the Holy Spirit from birth it’s his spirit when he received it at baptism it was the anointing and power to begin preaching the gospel and doing all he did . Not because he wasn’t Jesus before but because Gods plan all has timing and it has become time for salvation to begin to be preached after all the darkness that had been filling the world
even John the Baptist had the Holy Ghost even in the womb the Holy Spirit is Gods presence with man . That’s what Jesus receiving that baptism is about an example for us showing that through belief repenatance and remission of baptism Gods spirit comes to be with us .
it’s actually his spirit that came from heaven and lit upon him , but so we can understand about the children he had to come and be one of us and while on earth humble himself and make himself subject to God as we are but he himself is God revealed . The Holy Ghost is the spirit of Jesus Christ , his particulate baptism was aboit an appointed time and anointing to preach and live out the gospel
Jesus time had come and he gave an example for the children in the form of the son.
When you receive the holy spirit you are receiving the father and son because they are one all three are one being. If one receives the Holy Ghost father and son are there if we receive Christ father and son and Holy Ghost are there there the same just manifest differently for our abilities to grasp The unknowable