Hi,
My worst symptom of ADHD which is often under-looked is chronic fatigue, brain fog and just feeling mentally tired all the time.
Yes, ADHD medication makes that go away and I feel this cold breeze where I want to do stuff and feel calm.
For me this is the main one and this barely goes away with all the other wonderful things I have tried such as exercise, meditation etc.
Other symptoms like occasionally forgetting, being a bit fidgety is not that bad or the end of the world.
Because interesting thing, when my brain fog goes away I feel like talking to others, doing interesting stuff, pursuing my hobbies. Everything becomes better.