Prince William reportedly tries to refrain from grabbing a bite to eat while working.

This trait runs in the family, as King Charles III is rarely spotted eating during royal engagements either.

Later, Julian Payne, his former press secretary, gave credence to this published fact.

Prince William takes a bite of an ice cream cone

William’s team hasn’t officially confirmed that he abstains from lunch.

However, seeing him eat during the workday is a rare occurrence.

Like father like son, King Charles III also enjoys eggs as a breakfast staple.Hello!

King Charles eating an oyster

Along with the eggs, the king indulges in another avian-related food, though probably not what you think.

However, there are official royal guidelines about eating in general while in the presence of the public.

No full explanation was offered as to why these things are off-limits in particular.

Prince William and Kate looking at crabs

However, they may simply be too hard to eat politely in front of an audience.

His Majesty even reportedly sent confirmation to People for the Ethical Treatment of Animals (PETA).

The king is known for being cognizant of his impact on the planet.

Possibly, foie gras in public was banned for moral as well as image reasons.