A group of aliens accidentally learned from the monitor that there is a type of fictional novel on the earth---a brainless heartthrob novel. They were very surprised, and a bold idea burst out. Following this idea, they developed a virus, which can make people controlled by the virus become heartthrobs, thus reducing the human birth rate and even extinguishing the human race. But when aliens thought humans were about to become extinct, a change occurred.
Purpose: Before committing a crime, everyone has the right to have good things