After receiving bad news a character with a preexisting medical condition suddenly starts frantically exercising and dies as a result. It is unclear if it's with suicidal intention or just due to distress.
The entirety of Marine Corps boot camp training is based on psychological torture that breaks people into blank slates and reprograms them. That's pretty much the entire show.
scene starts around 10:42 seconds in, he is forced to eat food out of the trash, it’s after he leaves the cafeteria and is walking in the hallway he gets s*ck in a trash can (audio and visual). safe after 10:52 seconds in !