Me fío comes from the less commonly taught verb fiarse, meaning “to trust” or “to rely on someone.” In the song, no me fío means “I don’t trust them,” adding a hint of suspicion and emotional vulnerability as the singer questions someone who claims to love her.
“Tu No Entiendes” is a direct, restless confession from someone who still cannot let go. The singer says, “Tú no entiendes que yo no te puedo olvidar” [You don’t understand that I can’t forget you], insisting that new partners cannot compare: “Otra cama, otra piel, no te van a igualar” [Another bed, another skin won’t be your equal]. They tried to move on, but every attempt brings the former lover back to mind. The line “No quiero tanto futuro si es pa’ ver cómo te vas” [I don’t want a long future if it’s only to watch you leave] is especially blunt. Here, pa’ is a shortened form of para, meaning “for” or “in order to.”
The lyrics then get messier and more personal. Thinking about this person so much leaves the singer unable to focus, while a new admirer’s claim of love is met with suspicion. Rumors that the ex is kissing someone else hurt, even though the singer believes they are false. In FMK’s section, a bottle replaces the hand that once offered support, and he admits, “Sigo esperándote” [I’m still waiting for you], repeatedly wondering whether the other person will return. Words such as baby and mami are affectionate ways of addressing someone, while te juro means “I swear to you.” By the final refrain, the message has not changed: even being with other people cannot replace the one they still prefer.