Well, this was embarrassing, a chap came today to service the dishwasher. He weighed me, took my temperature and checked my pulse. The hand-cream was nice though.
I thought this was hilarious,
https://www.youtube.com/watch?v=y3z841UJiVk
Sorry to burst the bubble of a myth but unicorns died out after one of them said, "You scratch my back and I'll scratch yours."