They concluded that what emotions do—what emotions are for—is to activate and coordinate the modular functions that are, in Darwinian terms, appropriate for the moment. (This isn’t, of course, to say that these functions are appropriate in moral terms, or even that they serve the welfare of the person they steer, but just that they helped our ancestors spread genes.) Tooby
What emotions are FOR is to ensure propagation of your genes ... wow!
