在人类复杂的情感中，被需要感非常重要，人们常常在被需要的时候才能体会到

In the complex human emotions, the sense of being needed is very important. People often realize their own value only when they are needed. In the eyes of pets, owners are always needed and irreplaceable, so caring for them has become a fun and value in life.

In human complex emotions, the sense of being needed is very important. People often realize their value when they are needed. In the eyes of pets, owners are always needed and irreplaceable, so taking care of them has become a kind of fun and value embodiment in life.

In the complex emotions of human beings, the feeling of being needed is very important, and people often realize their own value only when they are needed. In the eyes of pets, owners are always needed and irreplaceable, so taking care of them has become a kind of fun and value embodiment in life.