Hart is not just posh but well-versed in explaining things with fast-handed diplomacy to unpleasant Johnny Foreigners without loosening his Windsor knot, often deploying that go-to Brit spook gadget, the weaponised umbrella.

A sociology lecture! With a bit of psychology! And a bit of neurology! A bit of fuckology ... no fun! Yeee-haaaw!

“She went black,” he remembers. “She only started dating black guys. Or foreigners.”

“I am an E.M.T., and I have a tourniquet!” she shouted as she neared the crowd. “Get back!”