Growing up human is uniquely a matter of social relations rather than biology. What we learn from connections within the family takes the place of instincts that program the behavior of animals; which raises the question, how good are these connections?
I praticed making faces in the mirror and it would drive my mother crazy. She used to scare me by saying that I was going to see the devil if I kept looking in the mirror. That fascinated me even more, of course.