A lot of traditional ways of "dealing with circumstances" are very unhealthy (and often toxic) and have adverse effects on people around you. Unless your methods are deemed healthy by a mental health professional you can't be sure.

Sure, and I have plenty of unhealthy habits. But getting a Dx didn't lead me to say "oh my god, the sun is brighter, the air smells fresher, all is revealed!". My response was closer to "yeah, no shit".

I should add, even when I was in grade school it was discussed for me to get evaluated. But that was far enough back that it was just "hyperactivity" & before people started talking in terms of ADD, ADHD, and subtypes, and I didn't match the criteria back then. So it wasn't like it was a big surprise decades later when revised criteria started matching my phenotype