‘Half! Half! Half!’ exclaimed my husband like a performing sea lion. Not that sea lions perform any more, but you get the simile. He was emphasising the pronunciation of the first syllable of Hertford, which, as he rightly said, has no T sound.

He had worked himself up because on Twitter there was a froth about the way to pronounce some place-names: Hawarden as Harden, Wemyss as Weems, Marylebone as Marrabun and Cirencester as Sissister.