I am sure your Dr has told you that stress componds sickness/injury?
Pain causes all kinds of reactions emotionaly. Fear of the unknown will eat you alive. moving, loss of job, medical issues are on the top for stress factors, which bring on depression.
OK now having said all that ...
Quilting is something that brings you peace. Dont stop doing it. You NEED an outlet and a way to just relax. You sleep better which heals you faster when your relaxed.
Venting is another way of letting go of the frustration and fear and anger. We are here ,vent away.
Sending prayers for comfort.