theoretically, your statement is probably that when it rains, the air is moist, and the human body's sense of smell and taste is more sensitive, just as you can see on TV that some wolves and dogs always keep their noses moist to maintain their sense of smell. Smell and taste are more sensitive, and jiaozi itself is a reunion food. A certain psychological hint of being in a good mood will also cause jiaozi to eat more fragrant than usual.