Sharing Joy and Sorrow

A man is sent to jail for beating his wife. After a while he is released and he promises to never repeat his faults. He says that a couple has to share every joy and sorrow and stay together no matter what. But don't you think it is a bit strange for a person to change so drastically? Do you want to check what the man actually meant? Then grab "Sharing Joy and Sorrow", but remember to not take the man's behavior as an example.