As long as you smile, have sparkly eyes and stick your shoulders back, nobody's going to notice your bum or your waist or your feet, for that matter.
Fear has nothing to do with cowardice. A fellow is only yellow when he lets his fear make him quit.
When you become a parent, or a teacher, you turn into a manager of this whole system. You become the person controlling the bubble of innocence around a child, regulating it.