When I initiate the contact I usually don't get it, but if someone touches me lightly or brushes me for more than a sec or touches me when I'm too overloaded to bear touch I get goosebumps all over.
I heard people say it's very strange that I work with little kid then (because they jump at you and hug you all the time), but kids just go to hug you tightly and uncoordinated. There's like no chance they brush you lightly by other than accident.
They're noisy and loud and awkward in their display of childish affection which I don't mind.
Adults however are subtle and only initiate focused touches (unless they have motor issues) and seem to only like touching others lightly and are usually uncomfortable or even pained easily if you touch them firmly.
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Autism + ADHD
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The trouble with having an open mind, of course, is that people will insist on coming along and trying to put things in it. Terry Pratchett