If I've had a particularly bad meltdown, it can take a few days to stop having that melty feeling. You know the feeling, the one where you feel like all your nerves are on top of your skin and that you might cry if anyone talks to you, or looks at you, or touches you, or breathes the same air as you....that one.
If I have a meltdown bad enough that it makes me go into my full autistic mode, which is usually hand ticking, some flapping, somewhat nonverbal, although not entirely, it can render me feeling pretty uncomfortable and disabled for a few days. I hate that feeling. It sucks.
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"All those things that you taught me to fear
I've got them in my garden now
And you're not welcome here" ---Poe