So I was reading this article on Asperger's (can't remember where), and it literally contradicted itself.
At the beginning of the article it said that if your neighbour always says hi but then one day doesn't say hi, you (the Aspie) won't understand that they are not saying hi because they might be having a bad day, and will take it personally because you lack the TOM.
The article was rather long but as it came to an end it said something like many Aspies are prone to anxiety and may not feel like speaking to people like neighbours, and be unaware that by not even saying hello for one day may upset others, making them feel that you don't like them any more and this can be the reason Aspies lose friends.
It wasn't worded in those exact words but it still explains exactly what the article was talking about; if an NT is being unfriendly the Aspie needs to understand how the NT may be feeling and not to take it personally; if an Aspie is being unfriendly he or she needs to understand that the NT's feelings may be hurt.
So in either situation, the Aspie doesn't win. The NT is allowed to not understand other people's state of mind but the Aspie is criticised if we don't understand an NT's state of mind.

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Female