A mi medida literally means "to my measure". It's a wonderful idiom used to say something is a perfect fit, as if it were custom-made.
In the song, the singer describes his partner as being "hecha justo a mi medida" (made exactly to my measure). He's using this phrase to express the feeling of finding a soulmate, someone who fits perfectly into his life. It’s a much more poetic and heartfelt way of saying "you're perfect for me."
Julión Álvarez y su Norteño Banda wrap their signature accordion-driven sound around a heartfelt love letter in “Regalo De Dios.” From the very first line, the singer celebrates the sheer luck of waking up next to someone who feels tailor-made for him. The upbeat Norteño rhythm mirrors his excitement while the lyrics pour out gratitude for a romance that arrived out of the blue, like a surprise present he never even asked for.
Under all the lively guitars and accordion flourishes lies a simple promise: “Voy a ser el encargado de cuidarte siempre.” The narrator vows to protect, support, and cherish his partner through every high and low, insisting that her smile is the only reward he needs. In short, the song is a joyful ode to finding a love so perfect it can only be described as a gift from God—and doing everything possible to honor that gift every single day.