Science proves that you should un-friend your ex on Facebook

It's a question that many couples face in the aftermath of a breakup: "Do we still stay Facebook friends?" Inevitably, in an attempt to show maturity and poise, many couples choose to remain connected. But now, new research is showing that keeping tabs on your former partner is a big mistake — one that will have a… » 9/20/12 3:14pm 9/20/12 3:14pm