I thought Christ said that he'd tell his father he never knew us (meaning those who sinned and repented not)???
I might not have been clear. Of course, there is a point at which one has refused God for the last time and the consequences are eternal. But while we are still alive and even living in our sin, God still loves us. He will use every moment available to remind us of his love and forgiveness. He doesn't simply go away and leave us to find our own way back.