Common wisdom holds that trouble shared is trouble halved. Empirical evidence suggests to Watari that trouble is sometimes like mass, conserved, if transferable.
Area 2's last case ended-- awkwardly; Tsuzuki's (ex-)partner passed on. There were dark rings under Tsuzuki's eyes, but they're faded now.
Tatsumi-san's eyes are tired, his smile brittle after Konoe's reminder during today's briefing. Tatsumi-san forgot to address costs.
It's obvious what happened last night. Tsuzuki and Tatsumi-san won't look at each other directly.
Watari hates watching them do this to each other, again.
Common wisdom also holds: once burned, twice shy, but they haven't learnt yet.