Australien wrote:
The sort of thing I'm talking about is, for example, someone will say something and my mind opens up a sort of conversational branch from what they said, but relating to, let's say, abortion. I know that abortion is something of a taboo so I don't say anything. If someone more familiar with the group follows a conversational branch that seems to be on a similar topic and nobody seems to tell them off, I figure "oh, that's not taboo here" and proceed down the entire conversational branch that I came up with, but then sometimes people say I went too far, not so offended that they want to fight me or yell at me, but sometimes they laugh and shake their heads or walk away or say something like "too far, man" even though they're smiling and laughing...
Is this something NTs do?
That's a very big question you're asking and not one that I can answer in this totality. Going too far with certain topics is neither the preserve of people with ASDs, nor is being upset with people who go to far a preserve of NTs. I mean, look around some of the threads here.
So I want to respond to a small part of your post, namely that of your use of the word "taboo". I would not say that abortion as a conversation subject is taboo the way, say, incest is taboo. Abortion is an extremely tricky subject and you would have to tread very carefully, especially in a group of people rather than just in conversation with your best friend.
Is that what you meant when you used the word taboo?
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I have traveled extensively in Concord (Thoreau)