DD5 bites her nails, been a bit of an issue for a long time but today I noticed that its become much worse. She's bit the nails down so far there's no nail left to bite at the top so now she's biting them up from the bottom, bit hard to explain but she's kind of scraping the nail from the bottom up and its making the nails peel off from the base, one nail is almost completely off already and another one is half off.
I had been planning on ordering some of the bitter nail polish stuff but now with the nails in such a state I'm not sure its ok to put it on them as a lot of it is just raw exposed skin now. What do I do? And is this a sign of anxiety? I really feel like she's been really anxious lately, really bad separation anxiety and afraid to go to sleep and things like that. Don't know what to do with her.