A heart has its volume, its capacity to either suffer or feel joy. I guess, its volume is limited to some extend. When it seems like you cannot bare it anymore, and the heart will break and shutter in million pieces, the moment comes when you realize that you got used to it.
Getting used to grief and joy is so human. It is sad and at the same time it saves us from going mad. We have been given a wonderful gist to forget, to forgive and to get accustomed to anything. We forget good things as well as bad ones. We forgive and get forgiveness. We help to endure and get used to whatever our life gives us. what a wonderful creatures we are