Ключевые слова: adult, anxiety, anxious, ashamed, background, bashful, black, boy, business, casual, caucasian, concerned, embarrassed, expression, face, fingernails, geek, green, guy, insecure, male, man, people, person, perspiration, portrait, problem, scared, shy, smiling, stress, student, terrified, timid, vertical, weakness, worried, young,