Zhao Ying and He Hui, they were veterans in the business. They had been working for decades. Even Wen Xue had to show them some respect, much less Mo Li.
When they were off camera, Mo Li would prepare drinks for them. She smiled and was very friendly to them. Mo Li always had respect for people who were masters in their respective fields.
Plus Mo Li did learn a lot just from their conversations. To be frank, during the acting teacher's classes, Mo Li did not really learn much because it was too different from what she was used to. The lady kept telling her to unleash her inner self and speak to the audience, she might as well be talking in another language.