1,2,3 Knockup approaches the terrifying symbiotic relationship

resulting from an unwanted pregnancy as well as the equally

terrifying symbiotic relationship resulting from a young girl suddenly

having her own sexuality thrust upon her . In both cases the

cohabitation of the body is oppressive and unpleasant. Two

organisms living with each other in a sort of parasitism. The roles of

host and parasite however are interchanging and ambiguous with

one element often presenting itself as the other.