I believe that we with Asperger's are often perceived as rude/arrogant/inconsiderate, etc. partially due to our strict adherence to our personal beliefs. For example, I can remember speaking endlessly about roller coasters to not only family, but to the students in my classroom (back when I was an English teacher). In my mind, I did not understand how others could not be amazed and fascinated by the things that fascinated me. How could they not be interested in what I found interesting?
After my official diagnosis of Asperger's and then receiving therapy for certain issues including empathy, I now am more considerate of other's feelings. Although my therapist tried to work with me in trying to feel what other's feel---I found it terribly difficult to do and have come to the understanding that people have their own views that may not be my views. But I still have a hard time understanding how a person cannot be amazed at the sights and sounds of a wicked roller coaster zooming high overhead.
Now...when it comes to religious, political, etc. beliefs...yes, we often strongly adhere to our beliefs and will fight for those beliefs if we feel we are being attacked (but are we really being attacked?). I will stand up for what I believe, but if I feel the other person is still trying to make a point against my belief, I try to give more explanation as to why I feel the way I do. Some people can perceive this as arrogance or being rude. But I feel for me, I just want people to understand that I believe in my belief---and I want you to know that belief.
I believe in respect, and I do try to be respectful. I try to state that a certain belief is my opinion (and that it may not be everyone's opinion). But if someone downs one of my beliefs with a comment like, "that's stupid/ or illogical," I will fight in as respectful a manner as I can until I am heard.
Let me explain how I was, and how I am now. In the past if I believed something was fascinating, I believed everyone else found it fascinating too. Today, if I believe something is fascinating, I understand others may not find it fascinating also, but I don't understand why you don't find it fascinating. But I do understand everyone has their own personal tastes for things.
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"My journey has just begun."