It is a metaphor.
A metaphor for slow could be "like a turtle racing a snail."
heart racing internal or external
No
cold heart
Simile
metaphor just because
your heart is a black hole. your heart is the the sun.
Yes, "heart heavy" is a metaphor often used to express feelings of sadness, burden, or emotional weight. It is not meant to be taken literally but conveys a deeper emotional state.
He's exaggerating (and using a metaphor), but you could reply,"But my heart is warm" (literal)"But my heart's on fire!" (metaphor)"But my heart is like a furnace!" (simile)
Yes, "heart of gold" is a metaphor that describes someone as kind, generous, and caring. It symbolizes someone who has a warm and loving nature.
Yes, the phrase "made your heart melt" is a metaphor. It is used to describe strong emotions or feelings that can soften or touch someone's heart in a figurative way.