In the evening, when we returned to the Fischer's mansion, the night had fallen.

Grandpa is waiting in the yard patiently.

When he saw Grandma coming back, the worries on his face were swept away.

Grandma said, "Don, why did you come out?"

Grandpa is very proud. "Can't I get some air?"

"Of course you can." Grandma grinned, and walked with him into the house. "You already had some air, so we'll go inside and have a rest."

Grandpa turned to follow and said, "Why did you come back so late?"

"I went to listen to the talk about Buddha in the afternoon, so we went back a little late....