It's the sleep deprivation. It must be the sleep deprivation and the stress that wore his inhibitions down to this point, because when when Tim spits, "He's a liar," a quiet, choked laugh escapes his throat. It gets even harder to stifle it when Tim catches himself.

He's gotten just a small glimpse what Tim's Mirror knows, he's seen the effect it had on him, captured and watched and rewatched and transcribed, and now Tim--Tim Wright--is calling him a liar.

"Got any evidence to back that up?"