Luke smiled and said, “What I feel doesn’t matter. But Mr. Hans really misses you and always smokes at night.”

‘Did he start smoking again?’ Thinking of that, Estelle raised her head to look at the second floor, but no one was there. She suddenly thought of the emails he had sent her a few days ago, so she asked Luke, “Does he always stay up late? Now I finally realize how tired he has been. But he’d better sleep early if he can. Otherwise, he will be drowsy the next day.” ...