Zack's going to be back and forth about using the app through to Day 83. Lots of almost-activating-it-but-not and sitting on the thought in frustration while tromping through sad snow.

On the morning of Day 83, he'll be on the verge of hitting the button and doing the thing when that paralysis will hit him. Stolen from him will be the memory of Aerith's twenty-three wishes including the note inspiring him to go to Midgar. Because I'm horrible.