"Whatcha Gonna Do?" is a song by Peter Green, originally released in 1970 as a part of Fleetwood Mac's album "Then Play On." The song reflects on the aftermath of a broken relationship and the emotional struggles faced by the protagonist, who is left behind by their partner (referred to as "daddy" in the lyrics) who had brought them nothing but pain and sorrow. The lyrics depict the protagonist questioning their future after being abandoned, asking what they are going to do now that their partner has left. The repetition of this question throughout the song emphasizes their confusion and desperation for answers. It portrays the feelings of loss, betrayal, and loneliness that come from a failed relationship. The lyrics also suggest that the protagonist had invested all their love and trust in the partner, only to be met with hurt and sorrow in return. They are left wondering where they can go and how they will overcome the heartbreak caused by the person they loved. The song takes a slightly empathetic turn in the middle, with the singer addressing the protagonist as "baby" and offering support. They try to console and uplift the protagonist, urging them to wake up to reality and realize that their partner no longer needs or wants them. The singer offers to be there for them, expressing their willingness to help heal the broken heart and make things better. Overall, "Whatcha Gonna Do?" tells a tale of heartache, loss, and the search for healing and a fresh start after a failed relationship. It showcases the emotional turmoil one experiences when left behind by someone they loved, while encouraging them to find strength and embrace a better future.