So when we say to ourselves, or to others, 'You should obey God,' what we mean is 'We want what God deserves (your obedience) and we want what is best for you (your obedience).

Being creatures means that we cannot re-create ourselves in any fashion or form that we desire by a simple act of the will or the complex work of a surgeon. When we as creatures reject the Creator's blueprint, we are both rebelling against the natural order of how things objectively are, and (thought it may not seem like it) we are rejecting the life that is going to be the highest good for us.