I have written a few works that dive into the results of a life lived without difficulty or struggle. I think this one will compliment your work quite well:
To add to your point on how "pain is necessary", I too believe that the best lessons learned are the ones where you suffer the most. We do not truly learn through comfort. We can certainly be warned about things while comfortable but sadly not truly "educated" until we are in misery.
Thanks for the great article