If it weren't for TiezhuCrypto's retweet, I wouldn't have seen it. TiezhuCrypto's emotional intelligence is too high, and his answer is flawless. Let me also share my answer. I am very happy to have more friends sharing on Twitter. I am just one of them and definitely not essential. Compared to many teachers, I am at a beginner level. To put it bluntly, I am at most an enlightenment teacher (which may not even count). And then there are elementary school, middle school, high school, university, graduate school, and so on, and so on. This is a good thing for the industry, and what I can do is very limited. I also hope that my fellow students who "graduate" here can continue to upgrade, which is what makes me happiest. So, whether or not anyone needs me, I am here. You need me now, I'm here. If you need me in the future, I'll still be here. Even if you don't need me, I'll still be here. Of course, I am also continuing my studies and hope to teach from the beginner class to elementary school, or even higher.