Desvelo is a powerful word that literally means "sleeplessness" or the state of being awake. It comes from the verb desvelarse (to stay up all night).
In the song's opening line, Becky G sings, "Me desvelo y vivo apasionada," which means "I lose sleep and live passionately." This one word perfectly captures the all-consuming nature of a love so intense that it disrupts even the most basic need for rest, painting a vivid picture of lovesick obsession.
Por Un Amor plunges us into the classic ranchera universe where love is fiery, dramatic, and sometimes unbearably painful. Becky G confesses that one overpowering romance has stolen her sleep, branded her heart, and left her crying “little drops of blood.” Every beat of her chest belongs to that absent lover, and the bitterness of rejection makes her wonder if life itself is worth the ache.
Despite the sorrow, the song is also a vibrant celebration of Mexican musical storytelling. By reviving this iconic lament and pouring in her own bicultural spirit, Becky G turns raw heartbreak into a cathartic serenade. The message rings clear: love can wound deeply, but singing about it transforms pain into power and invites listeners to heal right alongside her.