Necio translates to "foolish" or "stubborn." It's a strong word that goes beyond simply saying someone is silly; it implies a deeper sense of being obstinate or foolish in a way that leads to negative consequences.
In the song, KHEA uses it to describe himself, singing, "Qué necio fui" (How foolish I was). He reflects on being naive and taken advantage of, realizing his own foolishness in love. This word captures a moment of regret and self-awareness, making it quite impactful.
"Sin Corazón (Deluxe)" is KHEA's warning about someone who used him. He remembers meeting her when he had nothing, giving her his whole heart and his innocence, only to realize years later that she never really loved him back — she was chasing something else, and he names it plainly: "Ambición."
The second half turns from heartbreak to hustle. KHEA raps about grinding since his first concert, staying hungry, and refusing to sell himself out even as people try to take a cut of his success. He closes celebrating where he came from — the conga, the timbal, the rumba of La Perla — proof that everything he has now, he earned the hard way.