The idea isn't new; it came from Carl Jung [1], who coincidentally also coined the terms "introvert" and "extrovert". I don't believe his notions of "psychic en

The idea isn't new; it came from Carl Jung [1], who coincidentally also coined the terms "introvert" and "extrovert". I don't believe his notions of "psychic energy" are taken seriously by the scientific establishment of today. [1] https://www.psychologistworld.com/influence-personality/extraversion-introversion https://www.psychologistworld.com/influence-personality/extr...