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A widening of the pupils that can accompany interest, attraction or heightened arousal.
Shown something they truly desire a person shows pupils that widen noticeably.
Dilated pupils can suggest genuine interest or strong engagement that words may conceal.
Light levels control the pupils far more than emotion, so this cue is unreliable on its own.
A reddening of the face caused by a rush of blood, usually beyond conscious control.
ExploreRed patches that appear on the neck and chest under stress or strong emotion.
ExploreDrawing the lip between the teeth, a self soothing act linked to worry or restraint.
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