Content warning pretty minor spoiler
But it was more than that: it was peace. The kind Mika was beginning to see she had never known. She hadn't understood how exhausting and heartbreaking it had been to hide such a big part of herself all these years. To reshape and contort herself into something more acceptable. She hadn't realized just how heavy her mask had been until she discovered what it was to live without it. To be at Nowhere House was to put herself in very real peril. So why then did she feel safer than she ever had before?
— The Very Secret Society of Irregular Witches by Sangu Mandanna (45%)
(at 4:30:20)
In the book the mask is because of magic, not #autism. But it's still helpful to think through these things.