1. Family happiness means family happiness between the older generation and the younger generation. Family happiness originally refers to the natural ethical order kinship between brothers, and later refers to the kinship between the older generation and the younger generation. Generally refers to family fun. 2. Source: Tang Libai's Preface to My Brother's Peach Blossom Garden Spring Banquet: "Peach Blossom Garden will be the prelude to family happiness." Gather in the Peach Blossom Garden and talk about the happy past between brothers. My younger brothers are handsome and excellent, and they all have Xie Huilian's talent, but I am not as good as Xie Lingyun in writing poems. I am ashamed.

Expanding knowledge: synonymous with family happiness: full house of children and grandchildren. Explanation: It means that the family is prosperous and there are many descendants. It also means that the elderly have better living conditions in their later years and many descendants. Full house of children and grandchildren, happy eggs and cakes. Source: Chapter 12 Feng Deying's "Living on the Chrysanthemum": "No matter how old they are, they are full of white hair and full of children and grandchildren, they are all the same.