Since I don't have Classic Autism I prefer to identify myself as having Asperger's Syndrome. And yes, I know it is part of the Autism spectrum of disorders, but it is a higher functioning section of the spectrum. Unfortunately, that doesn't automatically translate into having a great life. I do have problems due to being an Aspie.
Because I am a believer in the need-to-know school, I don't go around telling everyone I am an Aspie, so the question of how I identify myself to others never comes up.
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If a man does not keep pace with his companions, perhaps it is because he hears a different drummer.
Let him step to the music which he hears, however measured, or far away.--Henry David Thoreau