Ключевые слова: 20s, attractive, beautiful, casual, caucasian, clothing, complicated, crying, cute, depressed, depression, difficult, elegant, equation, face, fashion, function, handsome, leisure, lifestyle, looking, male, man, math, mathematics, misery, natural, pessimistic, physics, sad, sorrow, standing, tears, theory, troubled, unhappiness, unhappy, upset, young adult,