Unless you know what the "Spoon Theory" is and implement it on a daily basis, you should take the 20 minutes or so to play this to get a very rudimentary understanding of what it's like for people with chronic illness and chronic pain.

No it's not a fun game, but neither is chronic pain and illness. Doctors blame it on anxiety and depression, therapists blame the doctors for not understanding and the vicious cycle just goes round and round with no end in sight.