Here is an article you might find helpful or comforting. In it she brings up a good point that taking on autistic coping strategies is not a bad thing if they are helpful to you. And that we have been conditioned to believe that stimming more is a sign of regression or maybe some sort of "autism hypochondria". Another thing she says is that even if you can remember any stims you had as a child, you are older now and are not the same as you were then and it's okay to change over time. I have trouble with this myself. I think, "I didn't do this stim when I was younger so I must be faking it now or delusional or something." People pick up new habits all the time in reality. Our minds, bodies, brains, emotions, needs, wants, nervous systems, everything changes over time and it's okay. Another thing, you might stem more than you realize and may not even realize something is a stim because you do it so much and don't even know it and if you're like me, you might be easy to forget you were stimming. And if you have suppressed more obvious stims, it's okay to deliberately take on and try new stims. If it helps prevent meltdown/shutdowns, helps you talk, and helps you live, it's not something to be ashamed of.
http://archive.autistics.org/library/more-autistic.html
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RDOS Aspie Score: 145 or 144/200 Aspie, 68 or 57/200 NT
Defies categorization. A mixed bag.