Lesson # 17

Don’t tell family secrets.

Every family has secrets that parents try to keep—things like Aunt Ida’s wild teenage years or cousin Albert’s drinking problem. Perhaps there are embarrassments or slip-ups within the immediate family. Whatever it is, parents do not expect their children to tell it to anyone. Mothers are appalled when they hear their children talk about a family secret with friends on the way to soccer practice, or worse, hear from a friend that it’s the subject of a rumor going around the PTA.

Businesses have their own secrets that aren’t supposed to become public knowledge. Sometimes it involves a product in development that the competition isn’t supposed to hear about until it’s put on the market. Sometimes the secret ...

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