What is it that is neither inside nor outside, but still it is in the house? The EU membership of the United Kingdom reminds me a lot of this Hungarian riddle (solution later): when the UK was out, it tried to get in, but since the UK is in, it tries to get out. It is especially strange to look at this from the East where countries are begging to be let in the EU - while the UK wants to walk out on the other end. Analysis through the glasses of cooperative game theory.
