Having an IQ off the scale for problem solving and eventually even a first class degree.
Being ever unable to executive function more than one task at a time and never holding down a job for more than two years before burning out and tanking into sick leave from too much flow chart brain strategy attempts to do people interactions and appear normal.
Before my eventual diagnosis I got fired from an NHS cleaning job because I wouldn't cheat on the protocols and realized it was impossible to actually do the job within the seconds in the timings without breaking the hygiene protocols needed for each sink, bath, floor, bin, glove changes within the allotted time given to do them. Which was actual seconds for each thing.
The supervisor physically manhandled me into an office and threatened me with ten shades of doom for proving via camera with timer that whilst doing the given timing and following protocols at top speed, the job was impossible in the accepted time frame with the hygiene regs being followed to the letter.
I did this with absolutely no malice or self awareness, it was just a logical conundrum. I now realize that I was being a grade A Arnold Rimmer about it.
After I was fired and given a settlement for being man handled and collapsing into insomnia level anxiety, my colleagues laughed and told me they just cheated. I had no idea.
Most of my working life followed the exact same pattern of complete trust in rules and protocol that don't work, plus the added hurdle of communicating without sounding like Spock's weirder and unreasonably well read sister.
I was a complete and utter failure within the sphere of routine modern life before late life diagnosis despite being really good on paper and a keen researcher and self builder and scholar and interested in all sorts of things.
Now I am diagnosed, it all makes very sad sense. I have a much kinder and gentler approach with myself now and I am able to understand where my strength and weakness lies and why.
It isn't a great realization to find out that all that getting up and running directly at the wall again and crashing into it was never going to miraculously turn into a vault and success.
It is however very nice to stop running at the wall, quite so much.