The Secret Restaurateur on diners’ pet hates

This month, our industry insider turns the table on themselves and their peers as they ponder what might be irritating their customers

In a vain attempt to de-stress ahead of the return of outdoor dining, I finally got around to watching season four of The Crown on Netflix.

In one hilarious scene, Princess Diana’s über-posh grandmother gives her a lesson on the etiquette she will be expected to observe once she marries Charles and joins the Royal family. Diana is clearly bored, her eyes wandering around the room. But worst of all, she is taking no notes ...