This document introduces BioEnergetic Psychology and discusses how beliefs affect various aspects of life. It notes that beliefs manifest throughout the body according to research. Changing beliefs can alter thought patterns and behaviors. The document discusses how the subconscious mind, which processes information much faster than the conscious mind, stores beliefs and has enormous capacity. Muscle testing is presented as an effective way to access and change subconscious beliefs by determining if the body agrees or disagrees with statements at the subconscious level. Myths about difficulty and time needed to change beliefs are debunked, stating that like changing a computer document, beliefs can change quickly once the underlying energy field is altered.