User blog comment:Miskos3/Fairy Tail Chapter 488: The Two of Us, Always, Review/@comment-9595671-20160607071750/@comment-9595671-20160608021716

I've seen examples of this is various other media and a few times in real life, and I can tell I saw it here, his words didn't just sound like he was confessing to her...

They were also him confessing to her that he always knew, and likely it was her attempt to reach him that was her way of showing her own feelings.

So neither of them had to say it, their actions spoke louder than any words they could or ever would have said at that very moment.