The song Dagger by Harem Scarem is about the pain and betrayal felt after realizing that someone you thought you knew and could trust has shown their true colors. The lyrics describe the feeling of being hurt by someone who you thought had your back, but now you don't know if they have it or if they are ready to stab you in the back. The use of the metaphor of a dagger in the heart emphasizes the pain and loneliness felt by the narrator. The verse "Like a dagger in my heart, I feel my pain alone" highlights the feeling of being betrayed and hurt by someone you once trusted. The chorus reflects the numbness and apathy that can come after realizing that someone you thought was good has shown their true colors. The line "Like a dagger in my heart, I feel nothing at all" shows how the narrator's emotions have been suppressed and they are left with nothing but hurt and disappointment. Overall, Dagger is a powerful song about betrayal and the pain that comes with realizing that someone you trusted has fooled you. The song encourages listeners to be careful with who they trust and not to take their relationships for granted.