# The song is about a past relationship in which the protagonist still has feelings for his ex-partner and has nighttime thoughts and memories of her, symbolized by the time 1:55.
# It reflects loneliness and longing for the past, describes the difficulty of accepting the separation and dealing with the loss.
# Jealousy plays a role, as the protagonist reflects on who is replacing his ex-partner and how she now seems to be happy, while he is still attached to her.
# Beautiful moments of the relationship such as first dates and kisses are mentioned, emphasizing that the protagonist was willing to make sacrifices for her, but feels hurt when he sees that she is now happy with someone else.
# Self-doubt is expressed, as the protagonist wonders if he was enough for his ex-partner and if she feels his absence as much as he feels hers.