Eating Disorders+ Recovery

My cousin has anorexia nervosa and  has been a sufferer for about three years. It has been very hard on obviously her and my whole family. She has now been in the hospital for  more than month.. My question is, what are some tips for recovery? It seems as if it is never going to end. Is there anything anything that woke you up from your eating disorder? Anything helps really, I just have anxiety for the well being of my cousin