Royal PDA
She also said that PDA is “simply a matter of preference for each couple and is also likely dependent on the nature of the event.” There might be outliers like Prince Charles and Camilla, but “a more serious engagement would warrant a more serious level of professionalism, which each royal is sure to follow.”
Professionalism
Professionalism used to be non-negotiable. Sally Bedell-Smith, the author of Prince Charles: The Passions and Paradoxes of an Improbable Life, explained why Queen Elizabeth and Prince Philip are not into PDA: “In the manner of the upper class, neither of them were physically demonstrative.”