Only branches, how to answer the next sentence?

It is said that two girls will be born in life, rain, wind and fruit. If it is a boy, it is enough, but it is not allowed to be arrogant. But if boys are arrogant, it will be difficult to meet dogs every time they meet sheep. If a child is born in the year of the sheep or the year of the dog, there is a possibility of promotion. Of course, this explanation is actually a forced translation.