Why does shinji kill asuka?

In "Neon Genesis Evangelion," Shinji does not literally kill Asuka; rather, the scene is symbolic of his internal struggles and emotional turmoil. During the climactic moments, Shinji confronts his feelings of loneliness, rejection, and the desire for connection. Asuka represents both his longing for intimacy and his fear of vulnerability, culminating in a moment of intense emotional conflict. This act reflects Shinji's mental breakdown and the overarching themes of despair and the complexity of human relationships in the series.