I think one of the defining moments of adulthood is the realization that nobody's going to take care of you. That you have to do the heavy lifting while you're here. And when you don't, well, you suffer the consequences.
When the suffering of another creature causes you to feel pain, do not submit to the initial desire to flee from the suffering one, but on the contrary, come closer, as close as you can to her who suffers, and try to help her.
Dear little Swallow,’ said the Prince, ‘you tell me of marvelous things, but more marvelous than anything is the suffering of men and of women. There is no Mystery so great as Misery.
I think the person who has had more experience of hardships can stand more firmly in the face of problems than the person who has never experienced suffering. From this angle then, some suffering can be a good lesson for life.