From "The Checkup With Dr. Wen: Three lessons for people struggling with prolonged recovery", gentle-wise suggestions by Leana S Wen for those facing medical (or other!) challenges:

1. Push for an answer, but know there might not be one. — Much of medicine exists in a gray area. Often, things are clear only in retrospect. A course of treatment can be a form of diagnosis. What works for one person might not work for another. Being an advocate for your care means bringing up concerns to your providers, but they, too, are limited in what they can do. That doesn't mean patients should give up. Keep a journal of how you feel in response to various treatments. Learn from online communities and proactively bring up options with your providers. You are the expert when it comes to your body; speak up when something isn't right and continue pushing to try methods that could help.
2. Redefine your goals. — Goals need to be calibrated to your circumstances. If you’re facing setbacks from illness or other life events, it’s okay — indeed necessary — to set new objectives and take things day by day.
3. Find joy and gratitude where you can.

All so difficult to do, and so important to try (or at least try to try) — even when not (totally) successful — and to Dr Wen's list, perhaps add:

_{(cf Optimist Creed (1999-04-16), Personal, Permanent, Pervasive (2009-04-27), Disease as Journey (2009-12-16), Tough-Minded Optimists (2009-12-22), Power of Optimism (2016-02-23), Sheryl Sandberg on the Hard Days (2016-05-22), ...) - ^z - 2023-09-18}