What is love? Is it that warm and fuzzy feeling, that crazed obsession, that deep sentiment of trust and good will? It’s all of those things, but where and how does love happen in our bodies?

On this special episode, we put love under the microscope (and into a brain scanner) to understand where this emotion begins, and where it takes us. We talk with neurologists and psychologists to get a better understanding of the feeling that can turn us into heroes, fools — or both.

Also heard on this week’s episode: