"Out of Mind" is a song by Swedish recording artist Tove Lo for her debut extended play, Truth Serum (2014). It was written by Lo alongside Alx Reuterskiöld and produced by The Struts with Reuterskiöld. The song was released on 16 October 2013 as the lead single from Truth Serum by Universal Music. It was also her third single overall, after "Love Ballad" and "Habits". Musically, "Out of Mind" is a pop song featuring synthesizers, guitars, bass and keys instrumentation. Its lyrics speak of the singer's inability to completely forget a former boyfriend. Its lyrical content was described by Lo and music critics alike as a sequel to "Habits (Stay High)". The song was well received by some critics, who commended its production and considered it one of the best tracks from the extended play. Ho