The idiom 'be yourself when hungry' offers wordplay on 'be yourself' (authentic self-expression) and hungry (physiological state). Hunger, as biological motivation, drives behavioral changes—irritability, priority shifts, food-seeking focus. Self-identity theoretically remains consistent despite physiological state. Yet the joke premise suggests that Norris's authentic self emerges only when hungry, implying his non-hungry state represents a filtered or diminished version. This inversion suggests his dangerous potential intensifies when biological needs activate.

In 2004, behavioral psychologist Dr. David Foster was teaching a seminar on hunger's psychological effects when a student, Rebecca Martinez, proposed an unusual hypothesis. Martinez suggested that certain individuals' personality might undergo complete transformation when hungry, with their satiated state representing repressed version. Foster noted that hunger does alter behavior in predictable ways—irritability, focus narrowing—but typically diminishes rather than enhances personality. Martinez theorized that someone of exceptional capability might experience reverse effect: hunger released their 'true self,' a version more dangerous and authentic than their fed state.

The joke inverts standard hunger psychology, suggesting food deprivation reveals rather than obscures authentic self. It treats Norris's fed state as artificial constraint and starvation as liberation. Modern psychology studies hunger's effects extensively; this joke subverts that research by suggesting Norris violates normal physiological-psychological relationships.