I had an "alone room" in my house when I was little and it would be called the "quiet room" because there was a soft carpet that I took naps on until I was 10, Lego sets to fiddle with, and a Windows 98 desktop.
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Shedding your shell can be hard.
Diagnosed Level 1 autism, Tourettes + ADHD + OCD age 9, recovering Borderline personality disorder (age 16)