When Diana got home, she felt tired and exhausted. She had been so sleepy recently. When she lay back on the sofa, she soon fell asleep again.

Later, when Brian finally arrived back home, he found Diana sleeping on the sofa, curled up like a kitten. He sighed, then lifted her and walked her to bed.

Diana was vaguely aware that Brian was back. She tried to wake up to look at him, but her eyelids were too heavy to even open, then she fell asleep again.

The next morning, when Diana woke up, Brian was still in a deep sleep. So she got up quietly and went to the...