It is considered to be an admirable trait and it makes you trustworthy in others’ eyes, it may even gain you wealth or power if used in judicious or unscrupulous ways. If we are willing to be devious and underhanded we can use this trait for only our own selfish and damaging uses. The ability to be able to keep one’s mouth shut is a rare and valuable thing. It is very difficult to keep one’s mouth shut while being criticized or badly instructed while constructing a whole rebuttal in your head. It is increasingly difficult to be observing a devolving event or escalation of troubled relationships and allow those involved to solve their own problems. It is probably the most difficult when one has overheard a conversation by chance or on purpose and to know that the conversation was meant to be private. allow that to happen, and never speak of it. Though this is all true it is probably the most, and unconsciously, difficult to know when to tell someone what you know or have heard. It is appropriate to tell what others do not want known if the damage possible to others is substantial or if withholding information is causing another agony. This is where common-sense comes in – do you consider yourself capable of making such distinctions?