TINI's song "Por Que Te Vas" is a heartfelt plea to a lost love, asking why they left and why they forgot the reasons to stay. The singer expresses their pain and longing, and despite being told to forget and move on, they still hope for the person to come back. The chorus of the song is a plea to the lost love, asking why they left and why they have to go. The singer promises to not cry, wait, and never forget, and instead of accepting that the person is gone, they choose to live in hope.