Discussing Personal Matters in Workplace - as part of the expert series by GeoBeats. Discussing personal subjects with co-workers may come back to bite you. As people just love to talk, and cannot seem to keep private discussions very private. The rule of thumb is this: if you would not want to see it splash across the cover of the New York times the next morning, do not discuss it. There are private things that you could discuss quite naturally when you are close with a co-worker, such as health, but discussing things that are more intimate and maybe passed on can compromise your reputation or even your job. Use common sense and think before you speak and devote personal information.