baby boy giggles while he tries to get up on his feet supported by a couch in a living room filled with toys .
It is impossible that a child is smiling , while his parent video tape his movements .
There is a better than even chance that a child is smiling , while his parent video tape his movements .
It is impossible that a child is smiling , while his parent video tape his movements .
A child is smiling , while his parent video tape his movements .