What Exactly Is an "Emotional Affair"?

I'm reading that Courteney Cox may have had an "emotional affair." What is that? Can David Arquette use that against her if they divorce? ?Reid24, via the...

Source: http://feeds.eonline.com/~r/eonline/answer/~3/Ti_hCRqZaF4/b205300_what_exactly_emotional_affair.html

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