The first things people noticed that were different about me:
* Not crying at birth.
* Serious feeding difficulties, had to be systematically taught how to nurse. (Something that's been observed in a lot of autistic people.)
* Something "looked different" about my eyes starting when I was born. (Unclear observations like this are sometimes the sort of things parents notice before a kid is at diagnosable age.)
* Being a "quiet baby". (I always asked what my brothers and I were like as babies, and they'd go into all these details about my brothers, including my autistic brother. If I asked about myself, I'd just hear "You were... quiet.")
* Rocking my head side to side in my crib.
* Relating to objects (such as my doctor's stethoscope) while apparently ignoring people.
* Learning to speak around twelve months but then losing it by 15-18 months, then it came back eventually as echolalia
* Hyperlexia (decoding the pattern of written squiggles to spoken noises in words, but having serious receptive language problems in both written and spoken language)
* Delayed toilet training and other self-care skills
* Screaming when other children approached me, but being fine on my own.
There's probably others but those are the ones people keep telling me about.
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"In my world it's a place of patterns and feel. In my world it's a haven for what is real. It's my world, nobody can steal it, but people like me, we live in the shadows." -Donna Williams