What is the translation of I am yours forever and a day into Italian?

The most natural and accurate translation of "I am yours forever and a day" into Italian is:

"Sono tuo/tua per sempre e un giorno in più."

Here's why:

* Sono tuo/tua: This translates to "I am yours", using the appropriate gender pronoun for the person you are addressing.

* per sempre: This means "forever".

* e un giorno in più: This translates to "and a day more", emphasizing the eternity of your commitment.

This translation captures the sentiment of "forever" and the added "day" emphasizes the depth of your love.

Alternatively, you could use a more poetic expression like:

"Sono tuo/tua per l'eternità e oltre."

This translates to "I am yours for eternity and beyond."

Ultimately, the best translation depends on the context and the specific tone you want to convey.