My dad has Aspergers, fully diagnosed by a psychologist when he and mum almost got divorced many years ago.Thank you.
I'm exceptionally smooth in person due to years of study and analysis of what "normal" behavior is, to learn how to get along and fit in with NT's. Alcohol also helps tremendously.
No one I associate with IRL has any idea that I'm basically an alien life form who can blend in and give the impression that I'm fully human. It's only when people really get to know me that the cracks in the facade start to appear.
Online, not so much... I can't really choose who or how I want to be perceived as online because I don't know my audience. So you just get me nearly unfiltered.
His understanding of human nature surpasses anyone I have met. He has the ability to manipulate intelligent people with such subtlety it takes years for them to realise - my sister is a doctor, head of emergency at her hospital, and she still falls for his little amusements.