This paper applies the Winnicottian conceptualization of the intersubjectively inherent in the parent-infant model of personality development to the clinical relationship. Explored from a developmental and a clinical, postmodern perspective are the true and false self, object use and object relating, and transitional phenomena A detailed case discussion of a therapeutic transference-countertransference resolution highlights the central role of aggression. in Winnicottian theory. as paradoxically linked to interpersonal intimacy and true self development.