Um we've already covered that.

Previous world without Elle. Take the 'l' out of world you have word - previous word.

Give in for my age in a previous word. In the second line Laguna is 'Ol'', that is his age. In the word behold take out ol and replace it with in. - You now have behind.

So whats left is

"Low and behind"
Ol' Laguna says to Ellone