No, this signature is just a mood, and the instructor will not think you are abnormal when you see it. Sometimes we always take the consequences too seriously, and in the end, we are hard on ourselves. It's like failing the primary school exam, standing at your door without knocking. In fact, there are steaming food and mom's sentence "Never mind, just work hard." In retrospect, most of the things that once made me insomnia were lost to imagination.