Quebrar means "to break" or "to shatter". It's a more poetic and intense verb than the common Spanish word romper.
In this heartbreaking song, Ivan Cornejo uses it to express deep emotional pain. He sings that it was his lover's plan "de quebrarme el corazón" (to break my heart), making the listener feel the sense of being completely shattered. It's a powerful word that perfectly captures the raw feeling of betrayal.
Ivan Cornejo's "Mirada" starts with a sweet, intimate question: ¿Qué color te recuerda a mí? [What color reminds you of me?]. But don't get too comfortable, because the song quickly turns into the painful story of a relationship that's freezing over. The singer notices his partner's affection is gone, saying Tu piel se hace de hielo cada vez que te toco [Your skin turns to ice every time I touch you]. He feels like he's being slowly and cruelly pushed away.
He directly confronts the situation, suspecting there's someone else involved. He sings, Tú eres mi otra mitad, para tres no hay espacio [You are my other half, there's no room for three]. The hurt turns to anger as he accuses his partner of enjoying his pain, claiming Te encanta verme sufrir [You love to see me suffer]. He even admits that his friends tried to warn him about this person, but he didn't listen. The song is a sad look at realizing you were blind to the truth and that the love you thought you had was already gone.