Lyrically, she addresses her "reputation" for falling in love quickly, arguing that if love doesn't make you "crazy," you "ain't doing it right".

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.

It is performed in the key of A minor with a tempo of 68 BPM .