My husband has ADHD and my nephew is just a naughty kid who needs boundaries. The fact my husbands sister keeps pointing to him as evidence her son is ADHD really really insults and infuriates my husband! As my fella points out his ADHD has never only displayed itself in being a tit (he was a little disruptive as a kid), he also has to follow societal rules and can't just say "oh sorry, I'm adhd, stuff you"! He's had to develop strategies and learn his own triggers and symptoms, researched the impact of diet and lifestyle, he's constantly tinkering with supplements, and yes there are tines when he's just having a really unfocused adhd day and we have to bend to it, but he's never just shrugged and gone "I'm adhd, deal with it "