From “The Running Grave” by Robert Galbraith:

“How does Dennis know how to fake levitation?” asked Robin, diverted.
“Mate of his, when he was young, used to do stuff like that to impress girls” said Pat laconically. ” Some girls are really silly, let’s face it. When does anyone need a man who can rise two inches into the air?”

Which is true for so many other silly real world flexes some people do