The song "Warm Blood" by Carly Rae Jepsen is about the exhilarating and uncontrollable feeling of being infatuated with someone. The lyrics describe a strong attraction and desire that the singer cannot resist. They have a "cavern of secrets" that they do not want to reveal to the person they're infatuated with, as it may complicate things. The phrase "warm blood" is used metaphorically to describe the intense and passionate emotions the singer is experiencing. It represents the feeling of being alive and consumed by desire. The lyrics suggest that this feeling is beyond their control, as they say, "I can't control it anymore." The song talks about the way this person makes the singer feel and the effect they have on them. The singer acknowledges that they may be lying or hiding their emotions, but they no longer want to keep secrets and are willing to be vulnerable. The phrase "catch me when I'm falling for you" indicates that the person they're infatuated with is supportive and there for them. Overall, "Warm Blood" is a song that captures the intense emotions and excitement of falling for someone, being unable to resist their charm, and embracing the vulnerability that comes with it.