I wonder what kind of face the shopkeeper is working with today..... Even I know that smiling is essential in relationships, but I don’t think it’s easy. I mean, can you put a smile on your face when you’re in a bad mood? I can’t and I don’t think I should. That’s why I honestly feel that people who are smiling every day are great. Of course, I think that this is due to the person’s innate character, but I think that not only character but also effort contributes to the character of a great person. What is macroscopic observation? Methods of observing things can be divided into macroscopic observation and microscopic observation. The former is a method of observing the object to be observed from a relatively long distance or relatively slowly. On the contrary, the latter is a method of getting as close to the object as possible or observing it as soon as possible. There is that one little shop in the back street that I often pass by. ...