Onyx was fine reading for ten minutes calmly. But suddenly she dropped the book, clutched her side, curled up in a ball, and wept. Sometimes it would blind-side her like that, even when she had felt perfectly fine. She only looked up to notice Church coming to lay beside her on the window seat. She buried her face in the hand that wasn't gripping her side. A few minutes laer the door opened. By then she had stopped sobbing, but was shuddering uncontrollably like someone in a blizzard.
( I'm going to switch her parents' deaths from seven years ago to one, if that's okay. )