XSara wrote:
magz, yes but that isn't really your fault. it's just those people are being jerks. it happens to me too.
Dear_one, i see that you are a very rational human being, but you didn't explain any social difficulties. i'd like to hear more about those

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You asked about, pragmatic, practical difficulties. Could this be an example of a social difficulty?
A woman my age who had seen me working around the building where she worked once asked me if I'd like to go for coffee. I don't drink coffee, and prefer more water to smaller, pricier drinks anyway, so I just said "No, thanks" and walked off. Much later, I realized she had wanted a chance to talk. Recently, a neighbour offered to drive me and my parcel a half-block home. I honestly replied that I needed the leg exercise, but now I'm sure that she wanted to discuss her impending move.
I have also been severely ostracised for simple social observations, and still am.