The song is about an emotional chaos and the fear of new encounters, which often leaves the protagonist feeling overwhelmed and stressed.
It reflects themes of regret and self-doubt as the protagonist thinks about missed opportunities and blames herself for not acting more courageously.
The repetition of the words 'Hello' and 'Goodbye' symbolizes the back and forth between the desire for contact and the fear of rejection or disappointment.
The song portrays the inner conflict and self-blame of the protagonist, who often gets in her own way and withdraws from potentially positive experiences.
Ultimately, the song addresses human insecurity and the difficulty of embracing new things.