My friend has several problems she's probably depressed, but doesn't show it if she is, she's an anorexic, she starves herself and weighs a low 82lb at age thirteen, I know 9yr olds that weigh more than that. She cuts herself, and injures herself when she's angry, she almost broke her arm in what she says were 'a series of unfortunate accidents' even to her parents, but she really was smashing her arm down hard on counters and tables. She lies so much about even minor things, when she injures herself she makes up excuses, and her parents don't even suspect anthing. And soon, she is going to jump off of a cliff, but I don't think she is trying to kill herself with this, I think it's just a zany stunt, considering she's bringing a cellphone and a friend incase she gets hurt but her friend doesn't know what she plans to do, and she won't tell me who she's taking, but she is looking forward to getting hurt, she wants to ride in an ambulance. I promised I wouldn't tell, which was probably a mistake, but what should I do?