After Su He left Huo Yuxi's side, Huo Yu Huang also went back. Since Su He could not escape anymore, he gave up and returned obediently.
Su He thought about how Huo Yuxi liked to burn incense, and how she was able to get on good terms with Huo Yuxi. Then, she thought about the secret book on smoking incense that Ma Feng Lan had given her.
Maybe he could curry favor with Huo Yuxi because of this