To show that we are the living sacrifice offering offered to the LORD by ourselves, our free will, and the changes start from within.
Are you an offering?
Yes. A living sacrifice offering.
Romans 12:1 (Amplified Bible)
I APPEAL to you therefore, brethren, and beg of you in view of [all] the mercies of God, to make a decisive dedication of your bodies [presenting all your members and faculties] as a living