The psychological aspect of "Chubby Checker Psycho" could also relate to the cultural phenomenon created by his music. "The Twist" wasn’t just a dance; it was a movement. It gave people the freedom to move their bodies in ways that were previously unheard of, breaking societal norms. https://itsresearch.co.uk/what-did-billy-joel-mean-by-chubby-checker-psycho/