RITSUKO:βYes, probably, even cats eventually reach the end of their lives.β
UrsusArctos: Cats have far shorter lifespans than the average human, so that's a strange statement coming from a person who keeps cats. Perhaps Ritsuko thought that things would remain the same with her cats, no matter what? If so, it's a sign of someone who, for all her brilliance, is blind to the realities around her.