This metaphor compares the speaker's desire to go back in time to a single yesterday with the value of all the tomorrows they would have to give up in exchange. It suggests that the speaker is so consumed by their longing for the past that they would be willing to sacrifice their entire future for even a brief moment of the past.
"Throwing grenades at each other"
This metaphor compares the conflict between the speaker and their lover to a battle in which they are throwing grenades at each other. It suggests that their relationship is characterized by a destructive cycle of anger, resentment, and hostility, in which they are constantly trying to hurt each other emotionally.
"The war inside our heads"
This metaphor compares the internal conflict that the speaker is experiencing to a war that is taking place inside their head. It suggests that the speaker is struggling to cope with the emotional turmoil that they are going through, and that this inner battle is causing them significant distress.
"The pieces of my heart are scattered in the dark"
This metaphor compares the speaker's broken heart to pieces that are scattered in the dark. It suggests that the speaker's heart has been shattered into many fragments, and that these pieces are lost and无法找回. This metaphor conveys the speaker's sense of loss and despair, as they feel like their heart has been irreparably damaged.