It's uh... complicated.

[And Zack's not very good at explaining complicated. But he'll try for Cloud's sake.]

That app makes people notice weird things. And people with the app have weird things happen to them. Like my eyes turning really glowy and bright like they are. Or ... getting really strong out of nowhere. You wouldn't have noticed anything without the app on your phone.

[He shrugs. He's going to leave some of the more traumatic things he's gone through, out.]