there are dark side of story at China about this, someone get money and steal yg lady crops to perform ghost marriage, the young lady body will burried togather with the male as wife and husbad without agree from the lady family, they cheated the lady famiy.

use hen and cheken as symbolic for the ceremony and let them in one room overnight, this chicken cannot slaughter in 100 days, if lay eggs also cannot eat must let it hatch.