Comedy is active and articulates the play of desire and of the obstacles to it, whereas romance develops, as we have seen, under the sign of destiny and providence, and takes as its outer horizon the transformation of a whole world, ultimately sealed by those revelations of which the enigmatic Grail is itself the emblem. Comedy is social in its ultimate perspective, whereas romance remains metaphysical;
Dichotomy between romance and comedy can be applied to other genres as well, namely horror, sci fi, and fantasy. This has to have been done by other authors.
Do research in genre theory and break down the more political structures of it.