Saying "Wie geht's'" (how are you?) will certainly not be responded to with a short phrase such as gut (fine or good) but rather by a long explanation of everything on that person's mind.
If you drive 4 hours almost in every direction, you will be in a new country which speaks a completely different language and has a new culture.
There are 4 cans/trash bags to put garbage for every household (yellow is normal trash, blue is paper, green or brown is glass, and clear is plastics and metals).
You eat sandwiches for breakfast (especially Nutella on bread)
you think it's completely normal to have a festival once a year, celebrating a Norwegian band and seeing thousand of people wearing "Turbojugend" denim-jackets – and you actually know what it means
you don't think it's weird that public transportation/taxi/police drive Mercedes, instead everything else is weird.
you expect people to drink a bottle of Jäger each and think it normal
the radio says, "Queen Mary is arriving on Sunday" and you actually know who (or more so what) is coming
you always say, "that's not rain" when it rains in countries that normally never get rain
