Article continues below advertisementPrince William had the tough job of telling his children about wife Kate Middleton's cancer battle.The Prince of Wales, 43, got candid about informing his kids, Prince George, 12, Princess Charlotte, 10, and Prince Louis, 7, about Kate's health in a new chat with Brazilian TV show host Luciano Huck during his trip to Rio de Janeiro on November 7."Every family has its own difficulties and its own challenges, and I think it's very individual as to how you deal with those problems," he said during his tour for the Earthshot Prize.