The Heavy's song "Messin' With My Mind" is a story about a romantic relationship that has turned toxic. The protagonist of the song feels like they can't feel anything anymore, physically or emotionally. They are consumed by the taste of their partner's betrayal and the way they manipulate their thoughts. The lyrics describe how the protagonist's partner has a hold on their mind and has led them astray. The protagonist acknowledges that they can't deny what is happening, but they still cannot help but be pulled in by their partner's hold on them. They have put their heart on the line repeatedly, only to be hurt time and time again. The song also touches on the idea that sometimes, letting go of a relationship is necessary for moving forward. The protagonist feels like they are stuck in a vicious cycle with their partner and cannot see a way out. They understand that they cannot go back to the way things were in the past, but at the same time cannot seem to shake off the feelings they have. Overall, "Messin' With My Mind" is a powerful reflection on the way a toxic relationship can consume a person's thoughts and emotions.