We know that our physical form bears the thumbprint of evolution, but rarely do we stop to consider the effect of natural selection on our conscious feelings - the essence of our humanity. Drawing on a full range of disciplines, from computer science and neurobiology to complexity and evolutionary psychology, Johnston makes the case that feelings evolved - much like any other biological phenomenon - to ensure the survival of our genes.

We are all preoccupied, to some extent, with how we feel. Victor Johnston explains why we feel at all, and argues that our feelings - both good and bad - are crucial to our survival. In clear and colorful prose, Johnston helps us navigate the intimate relationship between our emotions and our biological survival - and tells us what this means for human creativity, innovation, and, ultimately, free will.