Here’s whatcha gotta do: (1) Dress like an ordinary salaryperson; (2) Hang out, unaccompanied, in places where a lot of ‘straight’ people with autism seem to hang out; and (3) Behave the way that most ‘straight’ people with autism seem to behave.
Sooner or later, an LGBTQ+ person will approach you and try to chat you up. It happens.
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The mere fact that science may not yet adequately explain an object, event, or experience does not mean the immediate explanation should automatically default to a conspiratorial, extraterrestrial, paranormal, or supernatural cause.