And as we tell our 5-year-old, when you tell secrets in front of people, it can hurt their feelings.

WSJ: When Twittering Gets in the Way of Real Life

She asked him to tell her when he was angry with her, instead of keeping his feelings to himself, so she could try and fix the situation.

WSJ: Bonds: To Stick to New Year's Resolutions, Try Outsourcing Them

Nobody's feelings are hurt, they tell me, but the entire point of sending a valentine in the first place has been deliberately destroyed.

WSJ: Christopher Hitchens on Forced Merriment, the True Spirit of Christmas