Not Coming Home by Maroon 5 tells a tale of separation and loss. The song conveys the emotions of someone who is coming to terms with a relationship that has ended. The lyrics reflect feelings of betrayal and abandonment, as well as the struggle to move on from a painful past. Key themes in the song include heartache, closure, and the difficulty of letting go. Particularly poignant moments in the song include the chorus where the singer emphatically declares they are 'not coming home,' highlighting the finality of the decision and the acceptance of the end of the relationship.