I have been in a state of never-ending pain since age 11, while it's incredibly debilitating, at this point in my life I think it has offered me a lot, it has taken a lot to get to this point but the level of happiness I live in while having my condition entirely untreated feels almost unreasonable.
I wouldn't say this is a common thing, but it has also been the only path possible for me to have a good life. The pain I continue to be in has cleansed me and has turned into a deep source of strength, I strongly believe that people in such pain as I can use it as a tool for spiritual work. But I'm not ignorant to the fact that I am likely lucky in this regard, just I also wouldn't describe it as premium biology to be born with a body genetically predisposed to intense suffering.
Regardless, it is very possible to turn such pain into something good.