It might have been the winter doldrums that did it. You can never be sure of these things. It's just that ... well, Doc is one of those guys who can't stand to see anyone bored. He claims it's bad for their inner chemistry, and since he has more initials after his name than anyone else in town, we tend to listen to him.
When it happened, we in the inner circle of the World Dilemma Think Tank down at the Mule Barn truck stop thought back on what Doc had said a year ago when the temperature dropped, along with everyone's spirits.