Ключевые слова: actor, anonymous, behavior, bipolar, change, choice, costume, depressed, depression, different, disguise, disorder, emotion, emotional, expression, facial, fake, false, feeling, happiness, head, hide, hiding, human, humor, idea, identity, individuality, male, mask, mental, mood, mystery, negative, person, personality, positive, pretend, problem, psychological, psychology, sad, sadness, secret, smile, smiling, social, theatre, unhappy,