Vital means 'vital' or 'essential'. While it's a cognate, its use in this song is particularly impactful and highlights a deep emotional connection.
The singer declares, "Para mi funcionamiento, juro, te has vuelto vital" (For my functioning, I swear, you have become vital). This isn't just about love; it's about the person being absolutely indispensable to his very existence, making it a powerful and memorable word choice.
Leon Leiden's "Mil Maneras" is a sweet, straightforward love song where he just can't stop gushing about someone special! He loves everything about them, from their strong opinions — "que lo que piensas frente a quien sea defiendas" [that you defend what you think in front of anyone] — to their fashion sense and how they always make time for him. It's clear his feelings are growing every day, and he sees a future with this person.
He's even addicted to their unique scent, "ese olor que tienes a tabaco y menta" [that smell you have of tobacco and mint]. Even though there are a thousand ways to say it, he keeps it simple: "Me gustas, baby, noche y día" [I like you, baby, night and day]. He loves them when they're affectionate and even when they're a bit cold, and he'd never change them. This person is his energy every morning and has become absolutely vital to him. It's a really heartfelt declaration of love!