The lyrics famously compare love to drug use ("My drug is my baby / I’ll be usin' for the rest of my life"), exploring the lack of self-control often found in intense romance.
Swift leans heavily on gospel influences and religious imagery, such as "Lord save me" and "I would fall from grace just to touch your face". She stated that the song was built on the idea that three things can truly change a person: love, drugs, and religion .
The track is a genre-blending piece that combines , EDM , and gospel .