I think it can be a pain in the arse as well as the Autistic me is / was super organised organised, but the ADHD me is becoming more obvious as I get older and my health gets worse, as I now put off an awful lot.
@RainbowZebraWarrior I'm very organised too, but when I'm not feeling good mentally and/or emotionally, things start to become less organised and I put things off because I don't feel quite able to cope with the task. I can relate about being age related and health related.
The psychiatrist who diagnosed me with combined ADHD explained that ADHD can be partly ND and partly a mental health condition (I don't know if this is true, but it made sense when he explained it). I have noticed if my mental health goes into decline, the ADHD is worse which then sets off a conflict with being autistic and needing order and structure, and ADHD throwing everything into turmoil.
Being old, I've learnt to manage the ADHD but sometimes the wheels fall off. I now allow myself time to recover from 'shit hitting the fan', something I would never allow myself pre-diagnosis as it felt like a weakness not being able to just carry on as normal.
I'm much kinder to myself now than I was 10 years ago and thankfully I can, mostly, recognise when I'm not coping.