The song opens with a sense of nostalgia, as the narrator reflects on their relationship with Johnny, a figure who embodies warmth and affection. The lyrics paint a vivid picture of intimate moments shared between them, creating a sense of comfort and safety. Phrases like "my angel" serve as a reminder of the deep emotional bond they once shared, emphasizing the narrator's longing for Johnny's presence. As the song progresses, the tone shifts to one of sorrow and confusion, as the narrator grapples with the abruptness of Johnny's departure. The repeated questioning of why the relationship ended adds to the emotional weight, highlighting the narrator's struggle to understand the loss. The contrast between the sweetness of their memories and the coldness of absence is palpable, creating a bittersweet atmosphere that resonates throughout the song. The haunting melody complements the lyrics, enhancing the feelings of melancholy and reflection. Ultimately, "Angel" captures the complexities of love, illustrating how the beauty of a relationship can be overshadowed by the pain of separation, leaving the narrator in a state of longing and heartache.

Released in 2023, "Angel" coincides with a cultural moment where themes of love and emotional vulnerability are increasingly explored in popular music. The song's inclusion in the "Barbie" soundtrack aligns with the film's broader themes of identity and self-discovery, resonating with audiences who relate to the complexities of modern relationships. As of January 2025, the song continues to be relevant, reflecting ongoing conversations about love, loss, and the emotional intricacies of human connections.