Is it really impossible to take a bath in Feng Shui?

When your grandmother died, your mother wouldn't let you take a bath, wash your face, brush your teeth and so on. This is an ancient custom of mourning the death of elders. Modern people basically don't do this or not for a hundred days or a month. What they do is a few people, people who have long neglected hygiene. Many people have changed this way of filial piety! As long as your mother volunteered, it doesn't matter if you are one generation behind! I think I can wash clothes, wash my hair and so on. .....