Science tells us that happiness is 50% genetic, 10% circumstantial and 40% how we think and act. Which means that it is possible to increase our happiness by up to 40%. For anyone wanting to increase their wellbeing. Grow Your Own Happiness shows how positive psychology - the science of happiness- can be used every day. With key principles explained to provide the foundation for change, tests for measuring wellbeing and simple techniques that can easily be applied to a busy lifestyle, as well as case studies, anecdotes and tips, this book provides everything you need to shine.