Our advice columnists have heard it all over the years—so we’re diving into the Dear Prudence archives to share classic letters with our readers. Submit your own questions to Prudie here .

Dear Prudence,

I have a friend who recently became engaged to a man she has been dating less than a year. She met him at work, and he has been known to jump from woman to woman there. I’ve heard that her fiancé will date women in his office and then all of a sudden start ignoring them—speaking to everyone around them but giving them the silent treatment. One woman already quit her job over how he treated her. Another chewed him out but says she won’t give him the “satisfaction” of leaving. She was pregnant when he dropped her, and now she works right next to him (and has to watch him carry on

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