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. The eyes open a fraction to take in more, a response that runs well below conscious control.
Dilated pupils can suggest genuine interest or strong engagement that words may conceal. Because the response is involuntary, it can hint at a reaction the person is not choosing to show.
Light levels control the pupils far more than emotion, so this cue is unreliable on its own. A dim room will widen the pupils of everyone present regardless of how they feel.
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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