2600 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)

September 2022 - If a ghost can walk through doors and walls, why do they not fall through the floor?

My Answer: Well because they don’t want to, I suppose. They choose to go through walls, don’t they?

A Friend’s Answer: Talent? (Faye)