Learn to understand where and what we can say. In each circle there are themes that are not made to talk. Consider a society in which the conversation takes place, the time, place and situation. In the company of friends to relax and speak freely, but surrounded by strangers or at work watch what you say.
Mentally divide the information you know into groups that can be told, and this is impossible. Other people's secrets, work information, your own personal secrets to mentally lock to lock and no, they are not talking. If there is a desire to share with someone new information, write it down in a personal diary, but don't let anyone read it.
Try to narrow your circle of friends and to talk less. Maintaining communication with different people, you want to motivate them and tell extra. Keep in mind that to tell strangers information about yourself, acquaintances or work consequences. It could be people from the company's competitors or a friend of your detractors.
Before to voice their thoughts, to mentally scroll through them in my head and listen as if from the outside. Rate how relevant this phrase is not whether it hurts someone's feelings and do not disclose someone's secrets? It's interesting interlocutors and show you in an unfavorable light.
Learn to control yourself, even if the soul of raging emotions. Do not give in to feelings and not to Express the heat of the moment people claim not to remember all the past and not criticize them. Always remember that the argument will fade, but your words can not be returned. Relationships can get out of order only because of your temper.
Be discreet. Not interfere in all the conversations and events happening around you. During the conversation the interlocutors listen more, less talking, not to say accidentally something extra.