Confesarte means "to confess to you." It's a more formal and intimate way of saying you're going to reveal something deeply personal.
In this song, Carin Leon uses it to express the depth of his feelings, singing "Y voy a confesarte que tú me traes bien loco" (And I'm going to confess to you that you drive me crazy). This word adds a layer of sincerity and vulnerability, making his declaration of love even more impactful.
Carin Leon's "Que Mas Puedo Pedir" is such a sweet, straightforward love song! It's all about being completely head-over-heels for someone and feeling like you have everything you could ever want because they're in your life. He keeps asking, "¿Qué me podría faltar?" [What could I be missing?] and "¿Qué más puedo pedir?" [What more can I ask for?] because his answer is always the same: nothing, as long as his love is by his side.
He's totally smitten, saying, "Me gustas toda, me gustas para siempre" [I like all of you, I like you forever] and emphasizing that it's not just a passing crush. He's even a little bit crazy about her, admitting, "Tú me traes bien loco" [You drive me really crazy]. It's clear he loves everything about her, from her "boquita y de tu carita hermosa" [little mouth and your beautiful face] to her feelings, which