We present a new theory of erotic capital as a fourth personal asset, an important addition to economic, cultural, and social capital. Erotic capital has six, or possibly seven, distinct elements, one of which has been characterized as ‘emotional labour’. Erotic capital is increasingly important in the sexualized culture of affluent modern societies. Erotic capital is not only a major asset in mating and marriage markets, but can also be important in labour markets, the media, politics, advertising, sports, the arts, and in everyday social interaction. Women generally have more erotic capital than men because they work harder at it. (…)