Probably, when your little child catches the flu and lies in bed, shivering and miserable, and asks you why she hurts so, you tell her that she caught a playmate’s germs, and they made her sick. Probably, this answer does not do much to console or to satisfy either of you, though you both accept it as truth.
Probably, it does not cross your mind to tell your little child that bad, mean fairies made her sick. Probably, if that answer did escape your lips, she would be intrigued. You, on the other hand, would feel the discomfort of telling an untruth. But would you be?