Julia challenges Winston's notions from the beginning by presenting herself as a rebellious and liberated individual. She expresses her contempt for party policies, such as enforced chastity, and embraces sexual pleasure. By engaging in an illicit relationship with him Winston, she defies the party's ban on individualism and demonstrates her lack of conformity. Her openness about sex and her willingness to take risks further unsettles Winston's beliefs.
Furthermore, Julia's relationship with Winston reveals a deep passion and a genuine connection between them. Their bond is based on shared values and a strong sense of nonconformity. Through Julia, Winston discovers that love and intimacy are still possible in a world of suppression and control. Her subversion of his expectations allows him to confront the falsehoods propagated by the Party and gain a new understanding of human feelings and relationships.
In conclusion, Julia's character serves as a powerful antithesis to Winston's preconceptions of Party women. She exemplifies the possibility of subversion, passion, and genuine connection in the face of oppressive rules. Her defiance challenges Winston's perceptions and ultimately leads him to question the very foundation of the Party's control over individuality and human emotions.