“Instead, put on the Lord Jesus Christ, and make no provision for the flesh to arouse its desires.”
Paul speaks “of the taking on of characteristics, virtues, intentions, etc.,” of the Lord (BDAG). It begins at baptism, Gal 3.27, and continues as the saint grows in his status as a follower of Christ.
Conduct and habits change at conversion. What changes did you make from your old life? What habits are you still working to form?