'Common sense is the guy that tells you that you ought to have your brakes relined last week before you smashed a front end. Common sense is the Monday morning quarterback who could have won the ball game if he had been on the team. But he never is. He's high up in the stands with a flask on his hip. Common sense is the little man in the grey suit who never makes a mistake in addition. But it's always someone else's money he's adding up.