[What even is he honestly, We Just Don't Know. Evidence repeatedly points to just plain old human, and yet.........]

Oh yeah, 'tolerance', that was the word. Shinra mentioned that too, I think. [Shizuo sighs, absentmindedly rubbing the side of his neck a bit as he frowns at nothing in particular off-screen and considers this.] Might be something like that...a combination, like you said? We've got nerves instead of 'sensors', but I wouldn't be surprised if it was because I damaged them too much or something. Either way, they definitely haven't been working in awhile.

[He appreciates Zenyatta's attempts to help the both of them make any sense of it, anyway. That's already more patience than most people would have trying to engage him on things like this, Shizuo himself included. Talking about things more than surface-level complex has always been an impatient exercise in vaguely waving off over half of it, for him...detail has never been his strong suit.

But for the sake of Zenyatta learning things, he guesses it's good to clarify...though--]

Man, it sounds pretty bad when you put it like that...