When you are at an interview, you may not be aware of this but your interviewer is observing your body language, very carefully.  Your body language says a lot about yourself, so you need to control negative body movements and encourage positive body movements and habits.  Humans naturally send and receive nonverbal communication; they have been doing so since the beginning of time.  When your girlfriend folds her arms but has a smile on her face, are you not wondering what she upset is about or clammed up for.  At...