“…. The ideal of a coherent heterosexuality that Wittig describes as the norm and standard of the heterosexual contract is an impossible ideal…. In this sense, heterosexuality offers normative sexual positions that are intrinsically impossible to embody, and the persistent failure to identify fully and without incoherence with these positions heterosexuality itself not only as a compulsory law, but as an inevitable comedy. Indeed, I would offer this insight into heterosexuality as both a compulsory system and an intrinsic comedy, a constant parody of itself, as an alternative gay/lesbian perspective.”
Butler, Judith. Gender Trouble: Feminism and the Subversion of Identity, Tenth Anniversary Edition. New York and London: Routledge, 1999. Print. p. 155.