'Tis said that wrath is the last thing in a man to grow old.
Have you read 'The Grapes of Wrath?' That was my family. My dad was a sharecropper in western Oklahoma. When the dust storms came and everything got wiped out, they came to California. The guys with the mattresses on the tops of their cars in the movie? That was the way it was.
The consequences of a collapse would not be pretty. Whichever country precipitated it - Germany by threatening to abandon the euro, or Greece or Spain by actually doing so - would trigger economic chaos and incur its neighbours' wrath.
The Bible and several other self help or enlightenment books cite the Seven Deadly Sins. They are: pride, greed, lust, envy, wrath, sloth, and gluttony. That pretty much covers everything that we do, that is sinful... or fun for that matter.