
Blush
Non-verbal Cue
Blushing is a spontaneous reaction and can be a non-verbal cue of one's feelings.

Noticing her blush, I knew she was embarrassed.
Cultural Variability
Blushing can indicate modesty or respect in some cultures, not always embarrassment.

In Japan, a blush may be a sign of politeness.
Compare with
BloomCrimsonFlushGlowReddenRosy
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