The verb arropar usually has a warm, comforting meaning, like 'to tuck someone into bed' or 'to wrap someone in a blanket'. It’s an action you'd do for a loved one.
In "Duele," the singer flips this on its head with the line "el dolor me arropa" (the pain covers me/tucks me in). He uses this gentle word to create a powerful and sad image of being completely enveloped by his sorrow, as if pain itself is a heavy, suffocating blanket he can't escape from.
Have you ever walked around your own apartment after a brutal breakup and felt totally haunted by leftover shampoo? That is the exact vibe Mexican pop outfit Reik, joined by reggaeton hitmakers Wisin and Yandel, lock into on "Duele" (It Hurts). The singer tries to put on a brave face, but the house still smells like his ex ("Aún la casa huele a ti, a tu perfume y tu olor" [The house still smells like you, like your perfume and your scent]). He admits that waking up alone makes his bed feel massive ("Qué grande se hace la cama" [How big the bed feels]), and he has reached that messy stage of grief where he asks why she threw him away like an abandoned stray ("¿Por qué me desechaste? Como un mismo perro" [Why did you discard me? Just like a dog]). It is dramatic, slightly desperate, and painfully relatable.
Linguistically, the track gives you great everyday phrases for romantic regret and sudden shock. Notice the lyric "tú disparándome a quema ropa" (you shooting at me point-blank). The idiom "a quemarropa" literally comes from shooting someone so close that their clothes catch fire, but here it describes hurtful words delivered with zero warning. You also get the super common street confession "estoy claro de que no fui un santo" (I am clear that I was no saint), which means owning your mistakes with zero excuses. Even while waking up in someone else's arms ("Despertando ambos en brazos ajenos"), neither side can shake the memory of the clothes left on the floor.