The way Roland speaks doesn't go unnoticed by Tidus, looking over at him from the first sharp note. But he's confused for another reason, why his brow comes in, his mouth frowning. Whys and experiments put aside with the way that Roland talks.

"Well, yeah- the SCA has always been an us thing," he says slow, like he's trying to follow what Roland's saying. That is what he's referring to, right? "It's 'cause it does something to the atmosphere, or..." he waves a hand. "Keeps us protected. They work better when you're close to someone. It was doing that on Blue mission, in Irivar."