My grandmother had a small barometer hanging on the wall, the kind with a tube full of mercury that rises and falls when air pressure changes. The mercury had been coloured red.
For some reason the thought entered my head that should the glass break the red liquid would leak out and then begin expanding. It would expand so much that it would cover the entire floor, then outside of the room, outside of the house and so on until eventually it would cover the whole world.
I kept asking members of the family whether this was true and of course there were a number of responses.
I also believed for some reason that this was the only barometer of this type in the world - not sure why.
Even as I grew older and understood that this was obviously not going to happen if the glass broke I found that the image of it breaking and expending would pop into my head now and then.
This evening it popped into my head when I was out for a walk. I didnt find it disturbing just interesting and a little as if an old friend had come back to visit me.
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Diagnosed: ASD, hEDS, MCAS, ARFID
Retired specialist neurodevelopmental clinician
Member of Autistic & LGBTQ+ communities in South West UK
Trustee at Cornwall Pride charity & Coordinator at Kernow Neurodivergent Artists network