To tell him that something was impossible only served to tic him in the back of the head. He was getting aggravated with this stranger and if his time in Haven hadn't worked his ability to keep a level head so well, this certainly would have been where he would've lashed out. Violently. As it was, his expression was defiant and aggravated, his eyes narrowing.

"And I said: I'm not buying it. Stuck here for a little while? That might've sounded plausible. Just saying that one one had done it before? I'd believe it. But taking that as an unbreakable rule?" He paused a moment to shake his head, doing his best to push down that urge to try drawing his Keyblades.

"I'm not convinced." Turning away from the stranger without further regard, he gives Xion a glance before picking a fairly arbitrary direction to start walking in. He didn't care where he went, just as long as it took him somewhere he could calm himself down, he was fine. "Let's go. This guy's no help."