Meaning of "Lock You Up" by Charli XCX

The lyrics of "Lock You Up" by Charli XCX delve into the complexities of love and relationships. The protagonist is grappling with intense emotions towards someone, expressing a desire to lock them up inside their heart as a way of preserving the connection. This reveals a fear of losing this person or the possibility of them not reciprocating the same feelings. The uncertainty of the future is also a recurring theme, emphasizing that nothing is guaranteed and that the protagonist is living with the fear of the unknown. The repeated questioning of what to do to keep this person locked up inside the heart reflects the struggle of navigating emotions and maintaining a deep connection amidst the challenges and insecurities that come with love. The song captures the longing for stability, certainty, and a sense of permanence in a relationship that is otherwise filled with uncertainties.