I don't think I would be me without autism either. I think I've been able to connect with other autistics and as a result have become very close to them, so there's one way where I definitely do not regret it, as well as being a unique person.
I do hate that it's hard for me to communicate with people or understand other people's emotions. With other autistics, these issues seem non-existent.
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Shedding your shell can be hard.
Diagnosed Level 1 autism, Tourettes + ADHD + OCD age 9, recovering Borderline personality disorder (age 16)