I apologize for the confusion, but "Where Is My Mind?" is actually not a song by James Blunt. It is a song by the American alternative rock band Pixies. The lyrics you provided are from the Pixies' song "Where Is My Mind?" written by lead vocalist Black Francis (also known as Frank Black). The meaning of the song can be interpreted in different ways as it is open to individual interpretation. However, many fans and music critics have suggested that the song explores themes of disorientation, questioning one's own mental state, and the search for meaning or understanding in a chaotic world. The lyrics depict a sense of detachment from reality and the feeling of your mind being elsewhere, perhaps lost or disconnected. The imagery of having your feet in the air and head on the ground can symbolize a disorienting or upside-down perspective. The lines "Try this trick and spin it, your head will collapse, and there's nothing in it" suggest an attempt to regain control or find clarity through a specific action or mental exercise, but ultimately feeling empty or confused. The mention of being in the water and swimming can be seen as a metaphor for being submerged in thoughts, trying to navigate through confusion or emotional turmoil. The repeated question "Where is my mind?" represents the ongoing quest for understanding one's own thoughts and emotions. Overall, "Where Is My Mind?" can be seen as a introspective and thought-provoking song that delves into the complexities of the human mind and the search for meaning within ourselves.