(calmly) Kairi, I know this can't be easy for you, but do you know what happened?

And how are you two doing? Taking up parenting teenagers isn't the easiest thing.

(concerned but firm) Now look at me young man. You are doing no one good by starving yourself and neglecting your own health. You might be surviving now, but if this is the second time you've done this for an extended period, your body will feel it. You need help.