Turning away

How are we to respond if someone insists on turning away from us? Someone we love faces away from us and engages in harmful or unhelpful behaviour?
I guess this is how God feels about us pretty much most of the time-we humans are great at thinking that we know best and so utilise our decision-making abilities under our own steam. At a certain time in history, in a certain place, God offered a life-line to all who have ever turned away or will ever turn away, wherever, whenever. He didn't offer condemnation, but neither did he offer blanket acceptance of our bad choices. Instead he offered a person, a relationship, an opportunity. And he waited for us to make the next move.
We have much to learn. All too often we see-saw between shutting the door on those who hurt us on one side and putting up with more than we can stand or is good for anyone on the other. Perhaps we, too, must offer the possibility of a wholesome, regenerative relationship to those who turn from us. And then we wait...