A friend asked me last week: “If you could start over at five years old and try to make it as a footballer, could you do it?” My immediate response was: “Definitely not.” But how much is athletic or sporting success down to talent and how much is it the result of hard work? Sam Feeney, Stockholm
Post your answers (and new questions) below or send them to nq@theguardian.com. A selection will be published next Sunday.