Jacques Lacan theory of lack is concept that always relates to desire. lack being the thing that drives our desires. L acan first designated a lack of being : what is desired is being itself. "Desire is a relation to being to lack. The lack is the lack of being properly speaking. It is not the lack of this or that, but lack of being whereby the being exists" (Seminar: The Ego in Freud's Theory and in the Technique of Psychoanalysis ). In "The Direction of the Treatment and the Principles of Its Power" ( Écrits ) Lacan argues that desire is the metonymy of the lack of being ( manque à être ): the subject' s lack of being is at the heart of the analytic experience and the very field in which the neurotic 's passion is deployed. In "Guiding Remarks for a Convention on Feminine Sexuality" Lacan contrasts the lack of being related to desire with the lack of having ( manque à avoir ) which he relates to demand. an example of lack within a ...