Fibromyalgia Support Group
You're not alone in your pain. Fibromyalgia is a condition that can be difficult to diagnose and manage. If you're trying to cope with pain throughout your body, sleep problems, general fatigue, or other common fibromyalgia symptoms, you're in the right place. The community is here for you to talk about therapies and share your challenges.

Sounds like he is being a energy vampire on you, do not give into it, he will take your energy and happiness. We only have so many spoons in the drawer...
I have given up trying to explain the illnesses to people I have known for years, I was told the other day that I am only sick when it is convenient, [to avoid work].
There is no excuse for this kind of arguing with people that should show compassion and empathy toward you.