Marioneta literally means "puppet" or "marionette". It's a fantastic and visual word that you won't find in most love songs.
In "Culpa Al Corazón," Prince Royce uses this metaphor to express a total loss of control over his emotions. He sings, "Soy sólo una marioneta sin control de su sentir" (I'm just a puppet with no control of its feelings), blaming his heart for his desperate actions. This poetic image perfectly captures the feeling of being helplessly pulled by the strings of love.
Have you ever been so in love that you feel like you're not in control of your own actions? That's exactly what Prince Royce is singing about in this bachata track. He's completely overwhelmed by his feelings for someone and tries to explain that it's not his fault. He asks, "¿Qué culpa tengo yo mi amor / De enamorarme de ti?" (What fault is it of mine, my love / that I fell in love with you?). He's losing sleep and even admits that if you think he's crazy, you're right: "Te confirmo que es así" (I confirm that it is so).
He blames his heart for everything, from his late-night phone calls to his desperate words. He insists he's just a victim of his own feelings, describing himself as "sólo una marioneta sin control de su sentir" (just a puppet with no control of its feelings). He sees himself as a passenger on a journey, and his only destination is to be happy with the person he loves. It's a super dramatic and romantic way to say, "I can't help it, I'm crazy about you!"