Conservative MP Penny Mordaunt has admitted that a speech in parliament on animal welfare was motivated not by concern for poultry but by a dare from navy colleagues to say “cock” six times in the House of Commons. The dare was a forfeit from Royal Navy officers for a “misdemeanour” during training for the reserves. Do you accept dares? What’s the most outrageous thing you have ever done for a bet? Share your stories of challenges completed or shirked.