Salted duck eggs, spiritual wealth represents knowledge and reason.
Eating salted duck eggs by yourself means that you want to learn sexual knowledge on behalf of your own reason.
Old women and little girls represent spiritual wisdom and purity.
Pastry, dedication and enjoyment (rationality and sex).
Eating taro cakes by yourself shows your desire for sexual desire.
The little girl is afraid to eat, which shows that her reason is unfamiliar with sex and afraid.
Finally, the little girl tried to eat it, indicating that her reason was to get in touch.