Hello Ada,
I think that stress just goes along side any illness, particularly a chronic painful one.
I truly admire anyone who can remain stressfree under such obvious changes in lifestyle.
I believe this is another of those "chicken and egg" situations but in my case I certainly had never experienced any major stress when I got RSD but I sure have it now.
There are many methods for trying to control and improve stress levels, I think we need to just examine each one and see what works for us.
My method is keeping involved in my family activity--not the physical side but the emotional and supportive way.
Wishing you better times
Tayla