"If Looks Could Kill" is a song by the American rock band Heart, released in 1986. The lyrics describe a situation where the narrator has caught their partner cheating or doing something they shouldn't be doing. The narrator is frustrated and angry, demanding an apology and asserting their independence, stating that nobody can take advantage of them. The song highlights the feeling of betrayal and the strength of the narrator's character. The phrase "if looks could kill" is used metaphorically to express the intensity of the narrator's emotions. It implies that if their angry glances could do harm, the person they're confronting would be left wounded. The lyrics also convey a sense of warning to the subject of the song, suggesting that they should stop their wrongful actions or face severe consequences. The narrator emphasizes that they are watching closely and will not hesitate to retaliate if the person makes another mistake. Love becomes a stake in this situation, and the narrator's threat becomes more serious. Through the lyrics, the narrator reflects on their past naivety and being easily deceived by the person they trusted. They express that they are no longer blind to the deception and can see through the intentions and manipulations of their partner. Overall, "If Looks Could Kill" portrays a tale of discovering betrayal, standing up for oneself, and the consequences the guilty party may face if they continue their deceitful actions. The song's catchy and energetic rock sound amplifies the raw emotions and determination of the narrator.