I think there is nothing more difficult to understand than the value of money and things. In elementary school, we learn that we must value money because we cannot buy the sweets and toys we want unless there is a special occasion,

If we set a goal of making all 8 billion people in the world happy, I don't understand the need for so many people.

Self-introduction! And so I, who live today, am Shino_Okuto. The total population since the birth of humanity is about 108 billion. There have been as many deaths as there are people, and with that many people, there would have been fierce conflicts. The people alive today are