One of the more confounding child development stages is the obsessive stage. There you are, minding your own business, and suddenly your toddler becomes fixated on climbing in and out of a box. She will literally climb in and out of that box for three straight hours if you let her. And, why wouldn’t you? Just think of all the free time you now have while she is boxing!

Of course, as you probably know, there is a darker side to the obsessive stage: movies.