When you watch your parents suffer, you wonder what you can do to save them.
But ultimately, you feel helpless. They brought you into the world, they know so much more than we do at the point you are in your life. So how do you live with yourself knowing these people you love are going through so much pain? You try to help, but nothing seems to work. Perhaps living a good and successful life works as a remedy for them.
But I don't think that can soothe all of the wounds.
Some scars never go away.