my sister had a colonoscopy,because she had blood in her stool. the results were good. No cancer some pockets. Sinhce the colonscopy. She paces the floor, doesnt want to eat, sits and stares at the walls. She talks constantly. wont t.ake care of herself. She was put on some medicine for nerves and stress. It does not seem to work. she has gone downhill really fast.Is she having a breakdown?. whart can we do?