The lyrics of Pastor López's song "Lloro mi Corazón" express the pain and sadness that the singer feels after a lover has left him. The song starts with the lines "Sentí una pena porque te fuiste / Ese día en que me dijiste / Que jamás tú me quisiste" which mean "I felt pain because you left / That day you told me / That you never loved me." These lines set the tone for the rest of the song, which focuses on the singer's heartache and his difficulty in finding love again.

Throughout the song, the singer laments the loss of his lover and his failure to find someone else. He sings "Lloró mi corazón de pena y de dolor / Yo no sé la razón de no encontrar su amor" which translates to "My heart cries with pain and sorrow / I don't know the reason why I can't find love." The use of the word "lloró" (cried) suggests that the pain is deep and raw, and the repetition of the phrase "no sé la razón" (I don't know the reason) emphasizes the singer's confusion and desperation.

The final verse of the song repeats the same lines as the first verse, which creates a sense of circularity and suggests that the singer is stuck in a cycle of heartbreak and disappointment. The song ends with the lines "Lloró mi corazón de pena y de dolor / Yo no sé la razón de no encontrar su amor" which provide a poignant conclusion to the story of the singer's failed relationship.

Overall, "Lloro mi Corazón" is a powerful and emotional song that captures the anguish of unrequited love and the pain of losing someone you care about.