Nothing hurts like when you can't enjoy what you have just by the thought of your predicament.
However, it never changes the fact that she's very ill, which she does always remember, and this keeps bringing back the old, moody behaviour, despite the comfort people try to give her.
Little kids usually have no idea about certain things happening in life. All is fine, as far as they get what to eat. I guess, in my opinion, the stage of being a kid in life, is the harmless and best stage of one's life.