Unhappy marriages are unstable, even if they make economic sense. Drag too much resentment into a relationship and people may do the irrational thing. I was w

Unhappy marriages are unstable, even if they make economic sense. Drag too much resentment into a relationship and people may do the irrational thing. I was witness to the dissolution of Czechoslovakia. Economically, it didn't make sense to do that. But the Slovaks really resented Czech paternalism and wanted to go their own way.