[header] How to interpret autistic body language [title] Remember that different is not deficient. [step] Autistic people communicate differently, but that does not make their communication inferior. Every person (including non-autistic people) has unique mannerisms, and there is no right or wrong in personal expression. 
[title] Don't come with expectations about how they should act. [step] You may have a fairly narrow view of what each specific behavior means.