Kate Middleton and Prince Harry once shared a special bond, but their relationship slowly unraveled when Meghan Markle struggled to adjust to royal life. In his memoir, Harry branded Kate as “the sister I’ve never had and always wanted,” but the two haven’t been in the same room together since King Charles’ 2023 coronation. “He really misses that warm, uncomplicated relationship, and he is torn between loyalty to his wife and regrets about the loss of the woman he was so close to,” Tom Quinn told an outlet. “Losing Kate was Harry’s second great loss after losing his mother.” In Harry & Meghan,…