I have 3 little boys 7/5/2. I actually started having symptoms when I was pregnant with my youngest, so he's never known a difference. My older boys, I actually had them hold their arms out in front for as long as they could and as their arms got tired that's how mommies whole body feels. They don't really understand but they accept the changes, and have become very helpful. Sometimes they say they wish I wasn't sick so we could do the things we used to. I haven't figured out how to be active with them, so when my older kids are at school my little one gets pretty bored. Preschool will definitely come early for him! I think the way you explained it is awesome! Hope your feeling well.
Jessica