The NT mind game that is most confusing and upsetting to me is verbal irony. I am 54 and quite above average IQ, but I only came to understand this communication devise exists in the last year. In case you haven't yet, it involves saying the exact opposite of what you mean. But unlike sarcasm which uses a different voice inflection than if you meant what you said, verbal irony does not involve any obvious change in inflection. The listener is supposed to get the meaning by some other means - theory of mind, mind reading I guess.
So someone asks, "how do you like my hair cut?" and the verbal ironic answer would be
"Oh, it looks great!" said just like the person really meant it but the listener understands the the exact opposite is really meant.
I used to suspect that something like this was going on and even asked a close friend once if people use a secret code and say the opposite of what they mean. She said "no" but I guess she was being ironic.
Now that I have come to understand it, I still can't know if people are doing it or not, except by asking and hoping they will be truthful. But I had an interesting experience recently in which I said something to someone and his response clued me in that HE had taken MY meaning to be ironic: It was a shopkeeper and another store of similar wares had opened up across town, the only two in the county. Innocently and totally genuinly, I said, "Oh, you must be happy to have another dispensary in the county." (My thought was that it indicated their wares are more popular and they could each be filling different nitches in a growing market) He replyed, "Oh no! I really am happy about it!"
Now I wonder how many times in life someone has taken my meaning to be the ironic opposite of what I meant. Maybe that is why I lost so many friends over my undiagnosed life!
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Fiat justitia, ruat caelum.