@soul man Paul indeed says to the Philippians in 2.5: 'Let this mind be in you, which was also in Christ Jesus...'
We know Christ has a mind of his own, but that mind is lived out, comes out as the (manifested) believers mind or expression or life or creation we can say. Christ in you!
How did Christ live in his Mary body? As Jesus, Jesus is his Mary body (proper name-Jesus the Christ). But what was in that body is what is important. So it is with the believer, he cannot come out of them as Jesus of Nazareth in the natural, Christ comes out of them as they are. Same mind different body, their body. So now the believer and Christ are one, two different identities becoming one in spirit by a birthing (the moment born again), and one in soul but a renewing of the mind.
Union life, oneness, completeness, Spirit, the cross, a death, a life eternal, a plan fulfilled, love, a father, new life, all of this has already taken place in spirit for believers.
The believers mind knowing what has happened in spirit is mind renewal. Seeing Christ in you is mind renewal, Spirit taught knowledge is mind renewal. For the mind of Christ to be manifest the believer will have to get the mind on track to proper renewal of their mind. There is alot of responsibility to do that on the believers part, we have to be able to still be free moral agents, because that is the way the Lord wanted it and that is the way we are created.