According to the most recent Happiness Index, here in Scotland happiness has never been higher. Gillian Russell asks why does happiness matter to our overall wellbeing and how can we get more of it into our lives? Author and scientist Dr David Hamilton describes what happiness is, why it's important to us as human beings and explores whether it's something we can actually learn. Will Foster, author of The Happiness Gap, explains why we might need to rethink our approach to and expectations of happiness ... and how we can find greater happiness through gratitude, acceptance and being in the present moment. Suzy Beaumont visits London's new Museum Of Happiness to discover their approach to the science and art of happiness ... and the sense of community created within it. BBC Scotland's new poet-in-residence Stuart A Paterson explores happiness and narrates his brand new poem dedicated to a museum of happiness.