All That Matters'It's an incredible read for anyone facing adversity in their life; how to cope with it, how to stay positive in really difficult situations.' Sally Nugent 'A throat catching love letter to his wife and children . . . this lovely man has reframed a universally sad story into a life enhancing one.' The Times Sir Chris Hoy knows better than most how life can change in the blink of an eye. In elite sport, the margin between victory and defeat is