We do not realise how much we rely on non-verbal communication; the reason for this is due to the fact that most non-verbal communication transpires on a level that is below our conscious awareness. While many aspects of nonverbal communication are culturally specific, some, e.g. facial expressions and gestures, appear to have near universal levels of recognition. It is suggested that many more feelings and intentions are sent and received nonverbally than verbally. Non-verbal messages are also seen as more genuine because behaviour can not be controlled as easily as spoken words. Perhaps the most common answer for why we use non-verbal communication so often is because words have limitations. It is seen as more effective to describe something non-verbally.
When communicating non-verbally, we tend to use much of our facial expressions to help communicate the message. The reason for this is because it is the most difficult to control. We make facial expressions so automatically that we barely realised what we've just communicated, e.g. there are 23 distinct eyebrow movements, each capable of stimulating a different meaning. If an ironic statement is made with a smile, the receiver knows to find it humorous instead of disconcerting. If we are sending a verbal message intending to deceive and avert our eyes the receiver knows we may be lying. Nervous facial expression hinders other's perception of our competence and persuasiveness. Apart from our face, our hands are also