Some claim that touching the hair is a legacy of the custom of despiojar many apes have. According to the ethologist Desmond Morris, it's a gesture of detente in a situation that makes us nervous but we try to keep calm and control by touching us the hair. In the case of them women, if the voltage is must to it seduction, also can perform other activities as open and close the bag, look the mobile or remove is and put is them glasses in signal of nervousness.
