Scientific research shows that fish's memory only lasts for 7 seconds. Theoretically, by analogy, fish are not spiritual. That is, the so-called immature baiwenhang. In fact, fish swim slowly without feeding for a long time. As soon as people get close, they scramble to eat and get close to people, which is one of the three instincts in the biological world, giving people the feeling that they are spiritual. Combined with experience, Lohan is the easiest to interact with people.