https://www.youtube.com/watch?v=rhl0R78wjy0 set , 16- 2020-
For those who ask for English translation: He mentioned that he has a really busy schedule as an actor, need to get up at 6:00 am every morning, heading towards the filming studio. After work, he still needs to prepare for tomorrow's filming tasks, e.g., memorizing lines in advance. Thus, he still has no idea how popular his drama is at the moment. He also expressed appreciation and joyfulness that audiences have recognized his acting skills.
The Love and Redemption cast are mostly all his long known friends thus he mentioned he is v comfortable with them and thus can be his own funny self .
(A you tube user left a translation of what Cheng Yi said in that interview.)