The unexpected has happened
John continued to fly the drone and keep an eye on his wife’s every move, even as his hopes dimmed. Since everything was new, it became difficult to follow directions after a few walks.
However, even though he was worried, there was still some hope in him. It’s not clear if she was going to meet someone or merely chose a different route to the office. Even at this point, he hoped that he would be proved wrong and return to his usual routine. After such a long and happy marriage, he couldn’t believe Donna would cheat on him.