A Matter Of Personal Preference
With this in mind, it was widely discussed whether PDA was a matter of personal choice or if there are certain rules that all members of the royal family should follow. Given the fact that Camilla and Charles are known to keep their hands locked at almost all ceremonies, we can conclude that all couples have the freedom to decide whether PDA is something they are for or against. On the other hand, there is still professional etiquette that stands to be respected.