Among the first things an infant learns are the names of parts of the body: head, face, hand, foot, mouth, eye, and so on. When human language was just climbing out of its infancy tens of thousands of years ago, our ancestors did the same, and then spread their body parts out over the landscape, into their abstract and social constructs, into the objects they made, and even into their food. We then inherited that unconsciously metaphorical way of thinking and speaking –