hat have I got myself into, I thought as the lid on the flotation tank closed. Still, let’s start at the beginning. Earlier that day I had checked into The Retreat at Elcot Park, a luxury boutique hotel in the Berkshire countryside, near Newbury. Originally built in 1817, it was owned for four decades by the mother of the poet Percy Bysshe Shelley, who lived there with her daughters, before it eventually become a hotel. In 2020,
