As I said though with other ghosts, the randoms as I like to call it - how on earth do you or the ghosts have any connection/know, I mean technically there's nothing to bind you to them apart from e.g. a house where you're both living. If a room in that house then is haunted by the spirit of someone who died a long time ago but there's no connection to you, the person who's moved on that what is being pointed out there?
I'm not sure I follow. Are you saying that you get that some people are desperate to be haunted by their dead loved ones and pets, but what about people who don't 'see' their beloved dead granny or Alsatian, but Anne Boleyn looking for her head at the Tower of London, or the inevitable legion of Roman soldiers' marching torsos trooping through the house because the street level used to be lower, or mysterious footsteps/apparitions in the stockrooms of their workplaces?
I suppose the logic for believers is that these things are somehow imprinted on the fabric of the place/building itself. Or just sleep paralysis, a trick of the light, a side-effect of medication/drugs/booze /tiredness, people being primed to see something because people have told them the place is haunted, or being nervy somewhere new or isolated etc.
(I'm easily frightened by sudden noises or jumpscares and made DH walk me ten feet to the loo at 3 am in our tiny flat after seeing The Woman in Black at the theatre! Which I get is very silly.
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Or just because it's more fun, for some people, to believe they've seen a ghost. I remember someone on another thread years ago on here saying they'd seen silent, misty ghost horsemen at dawn on Oxford Street before someone else pointed out one of the mounted regiments often goes that way on their way back from early exercise in Hyde Park, and the first poster kept insisting it couldn't have been that!
I get that the unexplained is interesting, if not too obviously frightening or intrusive, and I like a good spooky story as much as anyone.
A friend told me years ago (I think I mentioned it on here before under a different name) that an overseas friend from SA was visiting another expat friend of hers in the small town in Ireland they both lived in.
The visiting friend's young daughter pointed out a formally-dressed elderly man walking down the main street and said 'Why are all the funny people walking behind that man?' Neither of the women could see anyone with the man, who was alone, but the child was adamant that there was a long line of people walking silently behind him along the street.
The 'reveal' is that this elderly man was the town undertaker, who had been coffining and burying the people of the town for the last fifty years.
I think that's a great eerie story, but it doesn't 'prove' anything to me. It's hearsay of hearsay. The child and her mother didn't know he was an undertaker, but I suppose it's not outside the bounds of possibility the child noticed something unusual about him. I think longterm undertakers often have a distinct air.