AS is only a hidden disability to those who have don't know what to look for. Unfortunately, that's most people.
As far as most people go, I do not care what they think, because they do not know me so it really doesn't matter. People who form opinions about others with little to no understanding of who they are are just judgmental creeps.
When it does matter though, such as in the case of my children's teachers, school staff, doctors, therapists etc. I make it a point to reveal it as much as I can. I TALK to them about it. I don't give them a choice but to consider it as part of who I am. I know some of even these people might be dismissing it because they either can't see it or don't understand it, or both. But that is exactly why I do put it out in the open. Yes, some of these people, it is obvious, don't take it seriously. When it comes to those people, depending on who they are, I may either move on to someone else who will listen (such as doctors and therapists), or, in the case of teachers and school staff, who we don't have a choice but to deal with, I let their refusal to take it seriously become THEIR problem.
For example, when teachers or school staff do not take our children's or our own disabilities seriously, the problem of whether school work gets done or not becomes theirs, and we no longer help.
You can lead a horse to water but you can't make him drink, as they say. Let THEM bang their heads against the walls if they won't take it seriously.
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I'm not likely to be around much longer. As before when I first signed up here years ago, I'm finding that after a long hiatus, and after only a few days back on here, I'm spending way too much time here again already. So I'm requesting my account be locked, banned or whatever. It's just time. Until then, well, I dunno...