At about this time of year, you’re probably wishing you could opt out of a few things. Maybe boring school prize-givings, dreary Christmas catch-ups, or end of year budgets. Jack's been talking to author Sarah Knight about how to say f*** no to things you don't want to do. She's famous for her book “The Life Changing Magic of not giving a f***” and has written new book “F*** No”.LISTEN TO AUDIO ABOVE