I still dont know if I have AS 100% for sure or not...and given the discrimination people with diagnoses face in the workplace, I'd like to keep it that way for now. I had a REALLY aspieish childhood and many of the traits nowadays, but also have had a lot of things in recent years in college which completely fly in the face of the AS characteristics.
But I DO know I am DIFFERENT than most. I think I realized this in first grade, when I realized I was the only one really into trains and buses and transit and what not, and that others weren't. It's weird, because I only half realized it--I could tell they werent interested but didnt know how to tailor conversation to more NT subjects than my interests. This kinda progressed through K-12 schooling, when I began to realize I just seemed to not have what it took to make friends and keep friends, and that I was not interested in what everyone else was into (pogs, Mortal Kombat, etc.) at my age, but rather, into my own subject areas of interest.
As for the possibility of AS, I learned that in college. A friend of mine was in a CAN walk, and so I figured I'd look up info on Autism in general, and saw some similarities. Then, a little over a year later, I read an article in the New York Times about someone who had AS, and realized that the characteristics of AS listed in there specifically matched up with the exact ways in which I have been different throughout life.
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"So when they rolled their eyes at me and told me 'I ain't normal,' I always took it as a compliment"--Katrina Elam