"Maybe? I mean, we've probably overlooked something but," Stiles sighs, glancing back at Derek, before giving a shrug. "I'm burned out, man. I know I need to keep working at this, but it's just getting harder." Probably not something Derek needed to hear; he just got back from the dead, last thing he needs is Stiles whining. But it's true. Taking a break to wait a grave had been nicer than spending his time in the library--which is saying something.