Prince William & Kate Middleton's Romance Has One Thing Other Royal Couples Don't - Author

Photo Credit: Samir Hussein/WireImage via Getty Prince William and Kate Middleton reportedly share a rare marital quality that other royal family couples lack. An author has pointed out what sets them apart from others, including Prince Harry and Meghan Markle. The college sweethearts tied the knot on April 29, 2011, at Westminster Abbey in London, following about 8 years of dating. Author suggests Prince William and Kate Middleton have a more 'normal' relationship than other Royal couples The public and media often measure Prince William and Kate Middleton's marriage against other royal . . .