I have a friend who is 200% non believer in ghosts.
In fact, he ever pee on the tomb and challenged the dead to come
up and look for him.
He told me he is waiting for any ghost to appear in front of
him.
He want to see how a ghost look like.
He told me ghosts are all rubbish. All bluff one, only human
created a ghosts and scare themselves only.