Reiner literally got so depressed that he want to become a COD

Metabolomics for Investigating Physiological and Pathophysiological Processes

Reiner literally got so depressed that he want to become a COD Vanguard operator : r/attackontitan

Why does Reiner suffer with a mental illness in Attack on Titan? - Quora

Reiner's depressed / final season

That was basically their conversation : r/ShingekiNoKyojin

Daily reminder that Reiner was right : r/titanfolk

MANGA SPOILERS] Theory on a depressed character's fate. : r/ShingekiNoKyojin

Why does Reiner suffer with a mental illness in Attack on Titan? - Quora

SPOILERS! Why is Eren Yeager wanting to commit genocide on the rest of the world supposed to make him worse than his opposition when his enemies want to commit genocide on Paradis?