The quote describes a growing sense of emotional darkness within the speaker's heart. It conveys the feeling of inner turmoil and distress.
The quote emphasizes the metaphor of darkness to depict emotional struggles. It suggests that the speaker's emotional state is deteriorating and becoming more challenging to navigate.
The quote's imagery of a "little heart" growing dark captures the intimacy of the emotional turmoil. It resonates with those who have experienced the heaviness of negative emotions, reflecting the personal and internal nature of emotional struggles.