There is a large body of work in religious traditions that sees suffering as good.

Here is the soon to be Saint Theresa

From wikiquotes

"One day I met a lady who was dying of cancer in a most terrible condition. And I told her, I say, "You know, this terrible pain is only the kiss of Jesus — a sign that you have come so close to Jesus on the cross that he can kiss you." And she joined her hands together and said, "Mother Teresa, please tell Jesus to stop kissing me".