“At some point, we have to ask a vital question: do these various things work despite the fact that they are illogical, or do they work precisely because they are? And if our unconscious instincts are programmed to respond to and to generate behaviours precisely because they deviate from economic optimality, what might be the evolutionary reason for this? It seems rather like the lesson that is taught to aspiring journalists: ‘Dog Bites Man’ is not news, but ‘Man Bites Dog’ is. Meaning is disproportionately conveyed by things that are unexpected or illogical, while narrowly logical things convey no information at all. And this brings us full circle, to the explanation of costly signalling. Part 5: Satisficing”