The man thought he was a nervous disease. He sees the ghost as he came for a while. His insomnia. He goes to the doctor, but no one believed what he was saying until the doctor treating him, just like he saw the couple trying to find answers to why this occurs.
Man thinks he is hysterical. He saw the ghost followed him for a while. He could not sleep, he went to the doctor, but nobody believes what he says. The doctor who treated him like he saw. They were trying to find answers as to why this happened.
A man thinks he is nervous. He saw a ghost after him for a while, he couldn't sleep, he see a doctor, but nobody believes what he said. The physician, he sees what he saw. Both trying to find out why this is happening.