A question about accomplishment.

What is it like? I don't know if i'm wording this correctly, but genuinely, i have never felt accomplishment. Not as a child, not as an adult, never. I don't know what it feels like. I can tell when i SHOULD feel it, and i'll be glad if people are happy for me, but I don't feel anything from overcoming things, but you better believe when i mess up i never get over it. What's it feel like to feel like you did something meaningful? I've lived almost 20 years not knowing. Would it really matter if i knew? I've had the concept of mental conditions in my head since the last time i went for a clinical check up and later found a "do you have autism" (not exact wording) letter from the clinic in my mail