Are they doing this? They sure are.

"Alright," Tidus replies as calmly as Inigo, his own leg tucking back to his own side. "I've got other things to do, anyway - play a few games, think about important business. Numbers. Papers and stuff."

Tidus didn't have to go with the 'boring stuffy file man' route, but sometimes, you let your mouth just lead you down a path, and you stick with it. For maybe five minutes.

"I don't have time to be doing other things with my mouth."

He definitely waited for a second before coming out with that.