By Muhammad Darwish, Max Foster, CNNLondon (CNN) — At Windsor Castle, history and tradition are everywhere. “I guess what you’re saying is you want to open up some…”“I want to question things more,” William replied. Inside the nearly one-thousand-year-old castle, William reflected on his late grandparents, Queen Elizabeth II and Prince Philip. “There’s been quite a bit of change … Particularly being in Windsor, for me Windsor is her.”The conversation soon turned to family life today. William described it as “the hardest year I’ve ever had.”“It changes what’s … truly important,” Levy said.