2977 If a ghost can walk through doors and walls, why do they not fall through the floor?

If a ghost can walk through doors and walls, why do they not fall through the floor?

My Answer: Maybe they do when they fall asleep.

A Friend’s Answer: I have no idea but when you see the next ghost you should ask them. (Sharon)

September 2023 - If a ghost can walk through doors and walls, why do they not fall through the floor?

My Answer: Because they have a magically internal switch that allows them to go through the walls.

A Friend’s Answer: Coz they float. (Demi)