My mom was diagnosed with severe rheumatoid arthritis (RA) when I was 6. While I have vague memories of her chasing me around the backyard, I mostly remember her after the diagnosis. Things like visiting rheumatologists’ offices together or searching for a fully charged electric cart at the grocery store. I’ve been returning to my childhood experience a lot recently because I’m writing and directing a short film about a little girl dealing with her mom’s RA diagnosis. As I look back, I remember how normal my childhood felt at the time, but for my mom, it doubtless wasn’t that…