What's the worst case of over-sharing you've experienced on social media?

Oh I think I had a similar experience

Two friends (couples) overshare their fights in Facebook for their friends to see. Eventually they got so bad to the point they broke up. The man stopped posting about the relationship afterwards, but the woman continued to do so. At first everybody (including me) felt sorry for both of them, but then the woman slipped the slippery slope into depression and then shortly into full-blown anger issues and accusing everyone (not just the ex-bf, but like anyone who tried to offer constructive criticism or advice). Fast forward a few weeks, she went down even further into full-blown literally stalking the man.

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