So, you’re advocating the idea of “no pain, no gain”, which would be fine if you weren’t making it sound all sweet and nice and easy. Yes, pain can give you these attributes, and yes, it depends on how you see your environment. But the people who most suffer from emotional pain need something more than “turn your frown upside down”. See, “no pain, no gain” is why people cut themselves.
I believe this article needed a much more academic tone — not dry, but a little less lighthearted — to help it move toward what the author conceived.