Prince William has said protecting his family was the most important thing for him when his wife Kate and father King Charles became ill, and revealed that he will seek to modernise the monarchy when he becomes sovereign. "Worry or stress around the family side of things, that does overwhelm me quite a bit," the 43-year-old told the "Schitt's Creek" star. While his wife is now in remission, William said it had been the hardest year he had ever had. "The damage it can do to your family life is something that I vowed would never happen to my family," he said. "That’s the bit that excites me, the idea of being able to bring some change.