Transformation

GPTG pages 347-348. Transforming by the renewing of your minds is a continual process that the Christian has to do to be like Christ and not like the world. Then why does it seem so hard to do? We are living in the world, but we are not to be like it. We are to be perfect as Christ is perfect, but that is impossible for us to do. It is something only God can do in us, but being a transformed Christian seems elusive. I guess my question is how do we view real transformation as Christians living in a world that is constantly offering other satisfactions.