In this episode, Fergus is joined by Dan Wallace, former Olympic and World Champion swimmer. Dan certainly had an extremely successful career, winning a Gold medal at The Commonwealth Games, a Silver medal at The Olympic Games and also winning Gold at the 2015 World Championships. But, at the age of only 24, Dan announced his retirement from professional swimming, as he felt he had achieved everything he wanted to. Years later, Dan returned to the sport having rediscovered his...