William James suggested that we all suffer from a form of multiple disorder, and cognitive scientist Colin Martindale later suggested that we all have multiple "subselves," explaining the notion in terms of 20th century findings on state dependent . In this TedX talk I discuss how more recent research on evolution and social can expand on this idea. Along the way I talk about our research on the effects of and loving on conspicuous consumption, one-night stands, and the influence of on people's inclinations to believe in God (click the picture to see the talk).