What is the primary indicator of social friction that requires an immediate adjustment of vocal tonality in a feedback loop?

The primary indicator of social friction requiring an immediate adjustment of vocal tonality is an incongruence between the listener’s verbal response and their physiological state. This is often observed as a mismatch between the words spoken and non-verbal cues such as facial tension, retracted posture, or vocal jitter. A feedback loop is the ongoing cycle where you observe the listener's reaction t....