When you walk into an interview, it will only take your interviewer a few short seconds to form their opinion of you.  While a few seconds may not be a lot of time for you to speak about your professional experience, your body language will tell your interviewer a lot about your personality.  Additionally, those same nonverbal cues that you portray throughout your interview can confirm that first impression.  In order to portray a positive attitude and a friendly demeanor throughout your interview, be sure to avoid these common body language mistakes: