"About the book" The Colors Of A Optimistic World: Habits Of Successful And Extremely Happy People. Are you often depressed or just unhappy? Is your head full of negative thoughts that are difficult to fade out? Do you often feel sad, depressed and dissatisfied? This guidebook has been written for those who want to change their mental attitude to a positive path in life. The key is positive thinking. Positive thinking has many advantages. In addition to better health, positive thinking also leads to great relationships, higher self-esteem, and a whole new quality of life with more happiness, success, and contentment. With this book you have the opportunity to learn positive thinking. The many practical tips and exercises in this guide will accompany you on your way to becoming a positive thinker.