@Tobythecat
Firstly, thank-you for starting this thread, it's enlightening and very informative.
Please don't compare yourself to NT people and judge yourself by their standards. You are not wrong or a failure because your life is different. If they had autism, their lives would be different too. NT people are very good at presenting an image of themselves that shows how great their lives are, but in reality very few NT people are happy with their lives or themselves.
Your old school friends could think 'Oh Toby's so lucky, she's free to do whatever she wants. I've got to dash around every hour of the day, scrimping to pay the mortgage and all the bills, trying to find childcare, all of my wages are taken up paying bills, I'm worn out and unhappy, my partner's sick of me being miserable, he doesn't help at all around the house, all that is my job as well. I'm so worn out he thinks I've lost interest in him and I think he's going to have an affair'
But they'll put on the false facade when they see you and tell you how great their life is.
I've read a lot of your posts on MN and you have a real gift for writing and expressing yourself well. You're objective and very organised, your posts are very easy to follow and you are very self-aware. I don't know if you blog about autism, but it may be something you'd like to consider.
Sorry, a bit late to this
Is it useful or helpful to know how to interpret this kind of NT duplicity
In my opinion, it should be an essential part of every autistic person's education.
I found the best way to show this was by watching pre-recorded favourite TV programmes with dd. She was into soaps, so Coronation Street always has a very simple to follow plot and characters that are pretty much transparent.
We'd settle on the sofa with no other distractions and every few minutes, we'd pause it and talk about what the characters had actually said (subtitles help with this) what their expressions were, did that make the words true or not true, what their actions were, how it made other characters feel etc.
Mina I'd also say shutdown, caused by overload,usually sensory and sometimes emotional as well.