In the song "Missing You," Olivia expresses her feelings of longing and heartache after a breakup. She reflects on the pain of missing someone who was once a big part of her life. The lyrics convey her struggle to move on and come to terms with the reality of being without her former partner. She reminisces about the love and comfort she once felt in their relationship and describes how difficult it is for her to accept their absence. The song captures the emotional turmoil of heartbreak, the frustration of waiting, and the yearning to recapture the love that is now gone. Through the lyrics and soulful vocals, Olivia conveys the universal experience of longing for someone who is no longer there, speaking to anyone who has felt the pain of a lost love.