Why do we act irrationally? Does free will exist? These are the questions that philosopher Alfred Mele sought to answer when he sat down with Big Think.The Florida State University professor delves into what makes us make bad decisions, such as drinking and driving, and why in some cases self-deception can be dangerous. Mele talks about what drove him to ask these questions in the first place: Aristotle, who explained why we often go out and party when we know we should be studying.