5. A royal cannot be touched.

Reason: It’s a token of appreciation for their prestigious position.
Except if they initially give you a hug or a firm handshake.
The official royal website states that there are no “official” guidelines or expectations of behavior while interacting with members of the Royal Family. Having said that, there are undoubtedly certain standards. To start, it’s best to stay away from the Royals in person.

A royal can’t be touched. ©PA Pictures/AAlamy Stock Image
This precedent was established by the late Queen Elizabeth II and her spouse, Prince Philip. You can accept an embrace or a handshake from a royal, but it’s better to observe rather than make the first move.