Give Inigo an inch and he'll take a mile. Or, well, maybe not a full mile, but he can't help but at least take a bit more when Tidus hands back his ticket and gives him a pat on the shoulder like that. Using one hand to stuff his ticket back into a pocket leaves the other free to clasp Tidus's hand for a moment, brightly smiling up at the other from his seated position. He's still just pretty excited about how much fun it is to team up with the force of nature called Tidus.

Though he turns his gaze towards Roland later - and yes, fine, he'll even slowly let go of Tidus's hand! There, bro, you can have it back, it's all yours again - with a bit of a curious stare. He may not have understood half of that with how much contextual information he's missing due to being from medieval times, but..

"They're usually big?"

Sure, he knows Orisa is big, but he wouldn't call her giant. If not just since that's rude to do to a.. lady(??).

"Then what do they do in that show?" Learn important lessons about friendship?