Check out 'the spoon theory', which you can access on ' butyoudontlooksick' website. It is fab, I'm sure we all implicitly get it.
It's about a lady being asked by her best friend 'what is it like to have lupus'. Her condition, but u can easily substitute Ra into the question. A great metaphor which conveys how it is. Right coffee break over , I'll put the ironing away now.
Take care all