They have their own language - related to that of the Hungarians. Nobody understands a thing they say. Less than 10% (and sinking) of the Finns speak Swedish , so we have to speak English to them. But they are always angry and drunk, so I try to avoid them..
Well, I guess that having a nuclear superpower as your neighbor from which you gain independance less than a century ago and had some "trouble" with in WWII and cold war tend to get people a little edgy...