This was it. Calamity Ganon has risen, and it was Link's duty as Goddess Hylia's chosen knight to destroy it. So, here he is, saying goodbye before fulfilling said duty.

You stand here with him, his hands gently holding your waist as you plead with him to stay. You know this is what he was chosen to do, yet you can't help but have a sinking feeling in your stomach.

"Link, please-"

He interrupts you with his own words, words he'd hoped he'd be able to utter to you again.

"I love you."