What does the Duke of Zhou dream of burning someone else's ancestral grave mean?

What does Duke Zhou mean by dreaming that the grave is on fire? -Duke Zhou's explanation is that your family will make a fortune this year, which means that the fire is booming and the cemetery means unexpected wealth.

Dreaming that the grave is on fire: the fortune drops.

Dreaming of the flame from the grave: suggesting that you will be lucky. If you buy a lottery ticket, you may win the first prize.

Middle-aged and elderly people dream that graves are on fire, mainly for health care: the focus of health care is the digestive system, and it is more effective to pay attention to a light diet. There is also a tendency to be depressed mentally.