Spoilerosclerosis 

Spoilerosclerosis is a mental disease. Patients affected by Spoilerosclerosis cannot stop spoiling movies, tv shows, anime, and many other forms of media. It has been observed that the community with the most affected by this disease is the Attack on Titan fandom.

Damn, that guy can't stop spoiling Attack on Titan. He must have Spoilerosclerosis

Spoilerosclerosis by UrbanDoctor420 February 24, 2021