We are always one decision away from a completely different life. 'I don't have the courage.' Catherine Testa does not want to hear this sentence again. Whatever your goal, be it a new romantic relationship, a career change, or a new project, overcome your fears and trust yourself. The key? Optimism is the essential element for any action and progress in life. This small book with great dimensions, filled with solid advice and embellished with tangible examples and positive phrases, is a real breath of happiness. It offers us tips to improve our daily lives and gives us the keys to move forward and put them in execution. Try it. At worst, it works!

Catherine Testa is a successful entrepreneur. In 2015, she changed her life, founded the 'Optimism' website, and then published her book 'Let’s Be Optimistic!' which was a huge success in France, selling around a hundred thousand copies. She is now a mentor and coach, traveling the world from Paris to New York to participate in conferences on optimism.