It doesn't matter which of them it is, being praised for their brilliance makes them both equally happy. That it comes from Oswald just makes them warm and bubbly. In fact, warm enough that the shy, cheeky smile is definitely not the man who was with Oswald through dinner. "I was thinking about that, maybe something that causes a flash and shock, make people think that they've damaged something and thus it's not worth continuing. Either that or electrocute them."

Ed does like electricity. It's fun.

He gives a sharp rap on the divider with his knuckles to start the car heading home again. "Oswald, I'd like to try something, if I may?"