Ключевые слова: attitude, business, businessman, change, client, conceptual, customer, decision, depression, determined, emotion, employee, enjoy, feedback, feeling, glad, goal, grief, happiness, happy, healing, health, hope, hopeless, idea, joy, mental, mood, motivation, negative, optimism, optimistic, positive, positivity, possible, problem, psychology, sad, sadness, satisfaction, satisfied, solution, solve, sorrow, stress, survey, text, unhappy, word,