My own diagnosis of ADHD at the age of 55 allowed me to finally understand that my inability to do the things everyone else seemed able to do wasn't because I was lazy or weak-willed or thick. It was simply that my brain worked differently. Not worse, differently. And so I gave up a successful career in advertising and started an MSc in Psychotherapy (which I would have considered myself incapable of before my diagnosis). I am acutely aware of what living with an invisible difference means, and of the difficulties that difference creates - for ourselves and for others. I spent my life being judged harshly by others - but even more harshly by myself. I don't do judgement anymore.