Post-traumatic stress response refers to the sequelae of dysfunction of a person's psychological state after suffering or fighting major stress, but this phenomenon is a reasonable result after experiencing trauma, rather than the patient's psychological state is originally a problem. Which of the following are not post-traumatic stress responses:. ['Xiao Wang often suffers from insomnia after becoming unsuccessful in successive interviews, becomes irritable, over-alert, amnesia and frightened.', 'A veteran of World War II has a desolate night scene, his wife is shattered, and he was recently diagnosed with a serious life-threatening illness.', 'In the Middle East, war-torn people are scared to hide when they talk about bombers flying around.', 'Xiao Wu escaped from the earthquake. He was nervous when he heard the floor squeak, and was worried that he might fall and hit himself.']