Yes, we still fall short of being perfect. We can not be perfect only God is perfect. But we must try and live un-questionable lives so that others may notice who we serve. When we do mess up, forgive yourself, ask for forgiveness and change from those ways. I still sin, every single day, now it may not affect others, but it does affect my relationship with God. I can only imagine how much it hurts him to be ignored, for his children to be making decisions which he knows will lead them to bad consequences, but like any other good parent, he lets us learn our lessons. All he cares is that we love him back, and listen and try to follow him, and change of our sinful ways, or be in that constant desire to honor him, as a friend, a parent, as God.