"Are you mocking me?" Sarah sat up quickly.

Noticing that Charles was laughing, she pretended to be angry and said. "I am going to have a shower!" And tried to get up.

Charles suddenly lifted his eyebrows and asked in a mischievous tone. "Take a shower? Oh, I get it. I said I would help you take a shower and was interrupted by my mom. So, I will keep my word now."

Sarah turned around and stared at him, "What?"

"You guessed, right!" Charles smiled, then stood up, ...