Prince William and Kate Middleton publicly display their affectionate relationship.

The Prince and Princess of Wales confidently exhibit their strong bond.

Body language expert Darren Stanton commends their strong and evolving relationship.

They started as independent students and found true love as sweethearts.

Over time, their confidence and independence in public and private have grown.

Their public displays of affection are unique among senior royals.

Queen Elizabeth and Prince Philip were not as tactile in public.

William and Kate's love story continues to evolve and strengthen.

They set a new precedent for affectionate public displays in the royal family.