Cocktail hour at the embassy consisted of lots of charming men and women in suits and LBDs drinking Buck's Fizz and being friendly to one another, and so what if half of them had gill slits and dorsal fins under the tailoring, and the embassy smelled of seaweed because it was on an officially derelict oil rig in the middle of the North Sea, and the Other Side has the technical capability to exterminate every human being within two hundred kilometers of a coastline if they think we've violated the Benthic Treaty?