Ключевые слова: background, black, care, concept, crisis, depression, doldrums, emotion, feeling, frustration, health, heaviness, help, life, low, medical, melancholy, mental, mood, negative, object, pain, paper, problem, psychological, psychology, recovery, sad, signs, sorrow, state, stress, suffer, support, symptoms, table, therapy, threat, top, torn, treatment, unhappy, view, word,