If I were somebody dealing with chronic pain, I would see it as a challenge to manage my mind; even knowing that the effect of my thoughts is not only affecting my experience, but it is absolutely affecting the state of my health.
Chronic pain or other challenges are invitations; gifts that challenge us to learn how to manage the mind.
I have tremendous empathy for people who are faced with any kind of a chronic problem. Sometimes when we're in this situation, it's as though our mind has us believe that if we ruminate about the pain we'll find a way out.