Ключевые слова: ache, anxious, black, chaos, complicated, concentration, concept, confusion, crisis, decision, difficulty, disorder, dissatisfaction, distracted, diversity, doubt, emotion, expression, frustrated, gray, hard, hatred, head, headache, hesitation, man, maze, mess, mind, muddle, nervous, pain, problem, problems, puzzle, query, question, resolve, rigmarole, slur, stress, tangle, think, thought, trouble, uncertainty, unhappy, worried,