What does sister-in-law Jiao Zi mean?

Lovely but sister-in-law, delicious but jiaozi. Sister-in-law is a young woman, and the nourishment of love makes her radiant and dazzling. Husband's care is sister-in-law's best spiritual food. Jiaozi is a kind of food to bid farewell to the old and welcome the new, while the delicacy of jiaozi mainly lies in the mood when eating. With a summary of the past and a vision for the future, people will naturally feel delicious when they eat jiaozi.