When the waiter brought the cheese-board, there was a large carrot carved in the shape of a mermaid sitting between the Dolcelatte and the Pecorino. Teo could have sworn that the carrot-mermaid flexed her tail and plunged her little hand inside a smelly Gorgonzola. 'Tyromancy, ye know,' remarked the mermaid. 'The Ancient Art of Divination by Cheese.' Then she pulled her tiny hand out and inspected the green cheese-mold on her tiny fingers. 'Lackaday!' she moaned. 'Stinking! It goes poorly for Venice and Teodora, it do!
If psychics are real, it implies that the universe is far vaster and stranger than conventional perception would state. If psychics can talk to the dead, that removes the sting of mortality and loss. It also suggests there is predestination, a way to cheat the vagaries of Fate with foreknowledge. The cost for believing in them is tiny indeed compared to that.