Parenthood can be a time of uncomfortable realisations. Girls can do anything, but Fiona just wants to dress up her dolls. Simon’s dad may be an ace cook, but look: his son is obsessed with Tonka trucks.

It’s innate, surely. Because nothing well-to-do, progressive parents teach or say would prejudice their children one way or the other. They’d love Simon to be more sensitive, or Fiona more assertive. It just isn’t to be.