Why would this legendary athlete cheat, this man of steely determination who never gave up, even in the face of cancer? Oddly enough, he may have cheated because he was so successful. Dopamine doesn’t come equipped with a conscience. Rather, it is a source of cunning fed by desire. When it’s revved up, it suppresses feelings of guilt, which is an H&N emotion. It is capable of inspiring honorable effort, but also deceit and even violence in pursuit of the things it wants.
