I think Will is most likely a "gifted" person, not an aspie. Remember the scene in the bar when he humiliates the jerk economy student ; when he wants it, Will can be a wonder of social grace, wit and sense of repartee. That level of social ability strikes me as above even most NT people ; I don't know if any AS person could do that (that would be incredibly high functionning). Will has a troubled behavior because he had a troubled past, and also because he is so ridiculously more intelligent than everyone around him that he can't really fit anywhere. Being a gifted child can be a difficult, lonely and even traumatic experience in itself, even if you don't have any autistic disorder.
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ouroboros
A bit obsessed with vocabulary, semantics and using the right words. Sorry if it is a concern. It's the way I think, I am not hair-splitting or attacking you.