Respuesta :
She might have OCD though we do not know her expression so we don't know exactly how happy or dissappointed she was.
Answer:
The reader can infer that Waverly is a very smart and observative kid.
Explanation:
While all the kids were selecting their toys out of Santa's sack Waverly paid close attention to what do they get from different kinds of boxes, sizes, and wrappings so she could make a smart selection, an get something that she would more likely be happy with, and indeed it was that way she loved her twelve-pack of lifesavers, we can infer that since she uses the word favorites.