if you want to praise each other, you should send a video copy every day with praise and reply. After Tik Tok's name, he also wrote Guan Bi Hui.
The fan who does nothing is called zombie fans. For example, some people exchange fans on headlines or Tik Tok, that is, they pay attention to each other and increase the number of fans. But this kind of mutual affection is not that he likes your works. He may not even look at your works. Maybe he will come to see your works occasionally in order to make you pay attention to him, but he basically likes them and doesn't look closely at them at all. Some even do nothing, or secretly shut you down, which is not helpful to improve the reading and playback of works.