In the short quivering narratives of the late Middle Ages, called mars, love and sexuality are "negotiated" in a very literal sense: love and sexuality are not only described with mercantile metaphors, but also appear as a medium of exchange that is offered, exchanged or resold. Susanne In her study, Reichlin analyzes this exchange of the dissimilar and shows how the narratives are also formally shaped by it: Forms of reciprocity, displacement and circulation not only constitute the economies of desire, but also those of narration. It also relates literary barter to the question of the relationship between gift and barter in premodern societies, which is widely discussed in medieval studies and cultural philosophy.