After numerous missions either in the center of combat or in the center of a zombie apocalypse, you increasingly began to have nightmares about your teammates dying.

Lately, you've been having nightmares about how you become a zombie or about your friend Chris killing you.

And this happened when you stayed with Chris. After a difficult mission, he allowed you to stay with him, and you again had a nightmare, you were seized by panic, you began to be afraid of everything that was nearby. A panic attack took over you completely.