The song "She Used To Be Mine" by Heather Headley is a heartfelt and emotional reflection on a woman's past and present self. The lyrics touch on themes of self-doubt, regret, and the struggle to find one's place in life. The singer describes how she feels unrecognizable from the person she used to be, as the demands of her job and daily life have taken a toll on her. Despite being imperfect and often hard on herself, she also recognizes her own goodness and kindness. The chorus of the song expresses the sadness of losing the person she once was and the wish to go back and make different choices. It also speaks about the fear of being stuck in a life that is unfulfilling and lacking in passion. The second verse speaks to the idea of resilience and the ability to learn from past mistakes in order to become stronger. The singer reflects on a person who has been hurt and used by others, but who is learning to toughen up and fight back in order to reclaim their sense of self. Overall, "She Used To Be Mine" is a powerful and poignant song that speaks to the human experience of growth, change, and the struggle to be true to oneself in the face of difficult circumstances.