Watching the fire across the bank and playing the zodiac refers to the zodiac monkey. Watching the fire across the bank is the ninth of the 36 schemes, and the ninth of the 12 zodiac animals is a monkey, so watching the fire across the bank is a monkey.
The monkey's character belongs to the monkey, smart, excellent in mind, lively and agile. The monkey's concept of love likes to ride a donkey to find a horse in the process of love, and it is easy to change horns halfway.