"... but she could hide from them even while she was in their presence. She slipped away, she was there but not there, not-there became a place familiar to her. It was lightless, shadowless, but not dark. Sometimes it had actual space like a hollow space she could curve into. There, she had nothing to do but breathe and feel her heart beat quietly. She couldn't be surprised and she couldn't be hurt, there wasn't even the danger of overhearing words she wasn't supposed to hear.
She could be not-there yet fully present to others, even listening to what they told her. Eating supper, dressing herself in the chilly bedroom..."