You are far, far too thin for 5' 6", even if you are fine-boned, 100 pounds is too thin.

Oh, kiddo, the tiredness is part of the anorexia, the weariness with everything.

How many calories do you eat a day? Do you exercise, or are you to the point where you are too tired to exercise?

Instead of telling your parents directly, could you print this out and leave it where they would see it? We'll help as much as we can, but obviously, there's only so much we can do.

If you fight this disease, which you can - you can fight it and win - you'll have more energy, I promise. And you'll be able to think about happier things more of the time, too - like your pets!