People usually don't believe that I have Asperger's, either, and I tend not to "announce" it to the world unless I need to.
But as for denying it? No. I spent all of my teenage years searching for something to describe my issues, something that could help people understand, something that said "I'm not just doing this on purpose" or "see it's not just me". If anything, learning that I'm an Aspie has enriched my life.
The symptoms and issues I deal with aren't that great, but they've enabled me to meet some great, logical people. Plus, even if you deny it, it wouldn't make you a neurotypical, right?
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Scaurie/Koshinuke454/Ksntrk/Maria
Blog, Occasionally NSFW:
http://ksntrk.tumblr.com/
Officially diagnosed, On Medication with Therapy