Donald Trump said that Prince William said his father King Charles is "fighting very hard" and that he "loves" his wife Kate Middleton when they met in Paris.

The Royal succession rules are clear, and that means the expectations for the members of the Royal Family, including King Charles, Queen Camilla, and the Prince and Princess of Wales, William and Kate Middleton are easy to understand even if you are not all that familiar with how royalty works.

"As a result William has been taking on more responsibilities, and he and Kate have been preparing for their future roles sooner than they would have expected.” An insider also told the outlet that Middleton and William are preparing for more demanding years ahead,

It's no secret that Kate Middleton will one day become Queen of the United Kingdom. According to People, King Charles III has "accepted limitations during his cancer treatment," allowing Prince William to take on more duties in recent months.