Verbal metaphors seem to be linked in a fundamental way to how we physically experience the world that surrounds us, how we reason through the information in it. Some examples: The same centre in our brain processes information related to physical warmth and social warmth. No wonder we categorize our friends as warm and our not-friends as “cold as ice,” especially when they give us “the cold shoulder.” We also feel warmer in spaces painted warmer colours than we do…