The song "Who Knows (I Just Can't Trust You No More)" by Gladys Knight & The Pips expresses a story of a relationship that has been filled with deception and broken trust. The lyrics describe the protagonist standing before their partner who is professing their love and care. However, the protagonist remembers a time when their partner's love was genuine, yet they still ended up leaving and abandoning them. The narrator expresses their desire to believe their partner once again, swearing to give them another chance. However, their previous betrayals have caused the protagonist to lose trust and doubt their sincerity. Despite the hurt and disappointment, the protagonist acknowledges the possibility of forgiveness and a restored relationship, wondering what will happen in the future. The song implies a sense of vulnerability, longing, and a struggle to decide whether to trust their partner again. The lyrics highlight the emotional toll of repeated deception and the internal conflict faced by the protagonist. Ultimately, the meaning of the song revolves around the theme of trust and the complexities of love in the face of past betrayals.