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Flirting usually involves speaking and behaving in a way that suggests a mildly greater intimacy than the actual relationship between the parties would justify, though within the rules of social etiquette, which generally disapproves of a direct expression of sexual interest in the given setting. This may be accomplished by communicating a sense of playfulness or irony. Double entendres (where one meaning is more formally appropriate, and another more suggestive) may be used. Body language can include flicking the hair, eye contact, brief touching, open stances, proximity, and other gestures. Flirting may be done in an under-exaggerated, shy or frivolous style. Vocal communication of interest can include, for example,