What is were did your heart go missing?

"Where Did Your Heart Go Missing" is a song by the American pop rock band Rooney. It was released as the third single from their second studio album, "Calling the World," in 2007. The song was written by the band's lead vocalist and guitarist, Robert Schwartzman, and it features catchy melodies and energetic guitar riffs. The lyrics of the song speak about losing touch with one's emotions and feeling disconnected from one's heart. "Where Did Your Heart Go Missing" received positive reviews from music critics and charted on the Billboard Hot 100.