Honeymoon Ends with &quote;I Do&quote;

Ever wondered why we use the expression, "the honeymoon must be over"? More importantly, why do we use it to describe any sort of relationship that is inevitably doomed to sour? From political alliances to business partnerships, once things finally go downhill, we all seem to agree that the best metaphor to characterize this built-in obsolescence is Marriage.

And for good reason! Much as we might b...