Meaning of "Didn't Know You" by Karmin

The lyrics of "Didn't Know You" by Karmin delve into the theme of betrayal and deception by someone who was once seen as trustworthy and supportive. The speaker reflects on how they were taken advantage of and manipulated by this person, who presented themselves as kind and promising. The realization that this individual had ulterior motives and was not who they claimed to be leads the speaker to feel a sense of loss, confusion, and hurt. The repetition of "I guess I didn't know you at all" emphasizes the feeling of being blindsided by someone they thought they knew well, highlighting the vulnerability and disappointment that can come with misplaced trust. Ultimately, the lyrics convey a message about the importance of being cautious and not always taking people at face value, as not everyone's intentions are genuine.