Gail Muller, a chronic pain sufferer, was told to ‘give up hope’ of a recovery. She refused. She eventually found a cure and went on to walk the legendary Appalachian Trail. But what is hope? Gail shares her own story of survival and what she has learnt: that hope is not just a platitude, it’s a powerful and energising catalyst towards better days. A light in the dark. But sometimes hope can fade ? and if that happens, how do we get it back?