9S shoots Cole a bewildered look. "To find out what happens?"

He says it like he can't possibly understand the folly of doing something just to find out what happens. That mackerel that killed him would've been totally worth it if he could remember what it tasted like. Unfortunately for him, 9S was stopped by more sensible members of the party from eating it again.

"Aren't you even a little bit curious? Part of trying to figure out who you are is testing your limits."