Once upon a time, there was an old lady. She has two sons. The eldest son is selling umbrellas, and the youngest son runs a dyehouse. One day it rained, and the old lady said worriedly, "Alas!

(1) Because the needs and wishes of the old lady are not met. ?

For the sake of her eldest son, she hopes it will rain every day; For her youngest son, she hopes it will be sunny every day. So whether it is rainy or sunny, she has the other half's wishes unsatisfied. ?

(2) The old lady will be very happy. ?

This shows that the same thing is different because it needs different emotions, and the generation of emotions is related to people's inner needs and satisfaction.