You have to ENGAGE your talent. Make them feel as if you are truly interested in their appearance. Their job is to look the best on camera for the time necessary; your job is to make their full potential show through the lens. ENGAGE. You have to overlook your flaw for the sake of the shoot. Have an idea of what you are needing so that you can give HONEST CRITIQUE; remember mistakes happen so you have to roll with the punches. Give appraisal, talent appreciates approval along with critique.