Arma de doble filo is a fantastic Spanish idiom that literally translates to "double-edged sword". It's used to describe something that has both positive and negative consequences, just like a sword that can cut both ways.
In the song, Enrique Iglesias uses this powerful phrase to describe a lover who is both a source of immense joy and deep pain. It perfectly captures the complicated nature of a passionate relationship filled with highs and lows, making it a very memorable expression.
Spanish pop star Enrique Iglesias teams up with Maria Becerra for "ASI ES LA VIDA", a track that treats romance like a high-stakes gamble. The lyrics compare love to a poker game where you bet everything: "Como un juego de póker donde lo apuestas todo" (Like a poker game where you bet it all). Even though the two lovers end up walking separate paths—"Tú escogiste un camino y yo la vereda" (You chose a road and I chose the path)—they still care about each other through all the chaos. It is a dramatic, bittersweet look at relationships that do not work out neatly, mixing painful moments like "Sal y limón en la herida" (Salt and lemon on the wound) with the rush of chasing "la fruta prohibida" (the forbidden fruit).
What makes the song fun is its complete defiance toward outside gossip. People might point fingers and call them crazy fools, but neither singer cares: "Si somos dos idiotas, lo que quieran decir" (If we're two idiots, let them say whatever they want). They even bring in everyday Spanish idioms to brush off the critics, like calling someone an "Arma de doble filo" (Double-edged sword) and dropping the blunt dismissal "que te den por ahí" (roughly meaning "to hell with them" or "get lost"). Even when romance stings and pride gets stepped on, the heart refuses to listen to reason.