The challenge for the European Union and its member states, particularly Germany, is in balancing the often incongruous demands of co-operation and self-interest, and thus demonstrate to their own citizens that concrete achievements can still create a Europe of solidarity and prosperity as Schuman envisaged.
Everyone has their "thing". That nerdy interest--bordering on obsession--that they get a little short of breath talking about and love tucking into in their spare time. Some people have Arsenal, or Assassin's Creed, or underwater photography. For the last 5 years, I've had Supreme Audit Institutions (SAIs).