"And so I left," you explain, "Not out of wishing to spurn our love, but to gift you that which you were most deserving of: a love that is truly, truly eternal. Not mere platitudes of 'love everlasting' but a true, tangible thing!" You fix your gaze with her. "For what is a millennium in the life of one who is immortal? You are here, now, standing before me, just like I am you."