"Is that why you don't knock? Gosh... you aren't my parent, you know. What do you want, anyway?"

There's got to be some reason he's here aside from invading his space and continuing to not have any proper manners or consideration for Tidus's privacy. Did he want something? Was something going on? Or did he just want to watch over him, even now, when he was nearly an adult?

Tidus strides away from him to the railing of the deck to lean against it, glancing out at the dying sun and waiting for some kind of response from Auron. He expects the usual sparseness he always seems to get from Auron. The barebones responses are almost more tiresome than a drawn out explanation to him.