Party Signals

Suggestion: Humans touch their faces a lot, Covid taught us.
If Joshua touches his face with his left hand, nails innermost he is sending a signal. (Assuming right-handed)
* JAW Amber warning: Something isn't right here - be on guard.
* THROAT Red warning: Combat imminent
* EAR Amber lie detection: Some evasion/misleading/minor lies going on here
* NOSE Red lie detection: Outright lies
* EYEBROW Null lie detection: This guy is too good, and Joshua hasn't got a clue - make up your own minds.