Did you know that at Harvard, one of the most prestigious universities in the world, the most popular and successful course teaches you how to learn to be happier?__ The Positive Psychology class taught by Ben Shahar attracts 1400 students per semester and 20% of Harvard graduates take this elective course. According to Ben Shahar, the class - which focuses on happiness, self-esteem and motivation - gives students the tools to succeed and face life with more joy._This 35-year-old teacher, considered by some to be "the happiness guru", highlights in his class 14 key tips for improving the quality of our personal status and contributing to a positive life: Tip 1. * Thank God for everything you have: * Write down 10 things you have in your life that give you happiness. Focus on the good things! Tip 2. * Practice physical activity * Experts say exercising helps improve mood. 30 minutes of exercise is the best antidote against sadness and stress. Tip 3. * Breakfast: * Som...