You've casually sat back and let shit happen before. What's the difference here?

[Hell, he'd been part of the shit happening before. There was no reason for Stiles to think Isaac gave more than a fart's whiff for him.]

How was I supposed to know that? Huh? I was too far away to get in on the whole last words montage and all I saw was him going down. So sorry for not knowing you were asked to be my babysitter.