āWords are cheapā is a saying that we humans understand when listening to the promises of others around us. But how do we know if that person will follow up with the words that he or she is speaking? Itās a question that lays at the foundation of morality, laws, and in some respects, religion. This game between words and actions has another name; signaling. Signaling is a powerful aspect of life that goes far beyond the human world and into nearly every biological living being on planet earth. The engagement ring that a person buys for another is a signal of the commitment that is being made by the proposer. If we look a little deeper into the tradition of an engagement ring, we…