Men, for example, should show off their six pack if they have one - but only if they're young.
Meanwhile women should always flirt with the camera - but men should look aloof.
People fear that a small wrong step can spoil the dating and they will have to begin searching again.
Dating and communication- Good communication is the key to success.
Either way, you can take some steps to keep your relationship a secret.
Sometimes when I read some questions posted by people on dating on forums, I find curious phenomena.
'Sensation-seeking and openness to experience predict infidelity,' he told the newspaper. 'There is good evidence that men high in status smile less and that smiling is sometimes interpreted as a sign of submissiveness,' Dr Buss told the LATimes.
'Men deceive about their status and income in order to make themselves seem more desirable to women,' stated Dr Buss.