"That's because it is impossible not to be nice to Inigo. He is so kind after all." It was true, he doesn't even understand how Tidus can find it in his heart to be mean to him, even in jest. Not that he thinks Tidus is a cruel person, but he clearly is able to withstand Inigo better than most.

He is still smiling at their antics though and nods at Tidus. "Dedication is important."