Some of those who suffered from shell shock were able to cope with it after the war, and even found that it lessened over time. But others  such as Bertram Steward's friend  were never able to readjust.

According to the American Psychological Association (APA), shell shock caused soldiers to have tremors, sensation deficits, headaches, confusion, nightmares, stammer, and extreme fatigue that together were symptomatic of 'repressed trauma' rather than any physical issue.

'Barbarian'  A Horror Film Taking Place in a Basement via Airbnb - IMDb.

The plot sees a woman find out that the rental home she reserved has been accidentally double-booked by a man, not knowing of a dark secret within the dwelling. Barbarian premiered at San Diego Comic-Con on July 22, 2024, and was theatrically released in the United States on September 9, 2024, by 20th Century Studios.