keep own counsel
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Related to keep own counsel: keep one's own counsel
keep (one's) own counsel
To not share one's thoughts or plans with others. I'm just naturally a private person, so I keep my own counsel.
keep one's own counsel
Fig. to keep one's thoughts and plans to oneself; to withhold from other people one's thoughts and plans. Jane is very quiet. She tends to keep her own counsel. I advise you to keep your own counsel.