Brian Tracy argues that what you consume physically and mentally shapes your personality. Eating fresh food boosts energy and sleep; feeding your mind positive ideas through books, conversations, and audio programs builds confidence and persuasiveness.
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Now, your physical diet has a large impact on your levels of health and energy. If you eat fresh, healthy, high quality foods of all kinds and avoid the foods that are bad for you, you'll have more energy, be generally resistant to most diseases, sleep better, and feel healthier and happier. In the same way, your mental diet largely determines your character and your personality and and almost everything that happens to you in life. When you feed your mind with positive ideas and information and books and conversations with positive people and audio programs, preferably Brian Tracy audio programs and positive thoughts, you develop a more positive and constructive personality. You become more influential and persuasive. You enjoy greater self confidence and self esteem.