Alternatively, you must be okay to have lifelong struggle and always feel inferior to everyone around you basically doing stuff effortlessly while you suffer.

There is non-stimulant medication as well for ADHD. If you're really struggling, it might be worthwhile to suspend judgement and actually try these out for a while. In the worst case you go back to how you were without medication. For many people the potential upside is worth the experiment.

Note that not being okay with that idea is a symptom of ADHD. Talk about it with your psychiatrist.