They’ve been doing this for as long as she’s been at the store, which is awkward, because he seems not to have noticed that she transitioned. He still calls her by a name that nobody else in the world is allowed to call her. He will stomp into the store, she will be wearing a dress and showing cleavage, and he will yell, Mister Griffiths! Who knows why it’s charming instead of infuriating, but it’s kind of nice.