Sorry to be a multiple thread starter and also if this is discussed elsewhere.
DSD has a very rare metabolic disease. It runs in her family and she is the third person to be diagnosed, and the only survivor so far. Prognosis is tricky but it's progressive and in the two years since she was diagnosed she has gone downhill fairly fast. She's now using a wheelchair outside the home and showing the first signs of dementia. She's 12.
She's the oldest of three kids. Unsurprisingly she has major emotional and social issues and displays significant immaturity-during a recent hospital stay non-medical staff thought she was about 8. She has only one friend, a fellow SEN student. She struggles academically but is mostly at the low end of norm
Up to now we have a