Exaggerated stances, like puffing out the chest, can indicate an attempt to appear more confident than one feels.
Quick, erratic hand movements may signal nervousness rather than genuine assurance.
Smiles that don't reach the eyes can suggest insincerity and a lack of true confidence.
Frequent touching of the face or neck can be a self-soothing behavior linked to anxiety.
Inconsistent eye contact may indicate discomfort and a lack of confidence.
Excessive use of dominant gestures, like pointing, can be an overcompensation for insecurity.