As long as people live in society, they need emotional communication. Affection is the most essential and priceless emotion, which makes you grow up step by step and then enter a complex society. Every time we encounter difficulties, we always think of home for the first time, because that is the place that gives us happiness, and then we will get up the courage to start again. So why do so many people go home every Spring Festival, even if they cross more than half of China? Only when they get home can they feel really comfortable. Those who say that blood relationship is bound certainly have their reasons. Everything is contradictory, and the key lies in how to treat it.