The character reflects on her recent choices and the isolation she has imposed on herself. Despite the pain of distancing from those she cares about, she believes it's the necessary action to take. The environment within her living situation has become unbearable, indicating a deep-rooted toxicity that she can no longer endure.
Simultaneously, she acknowledges that the relationship was already strained, with the other person gradually pulling away from her. This realization reinforces her conviction that leaving was the right decision, even amid her fears. The internal conflict highlights her struggle between attachment and the need for personal well-being.