"Loneliness and narcissism are intimately connected: a longitudinal study of Swedish women demonstrated a strong link between levels of narcissism in youth and levels of loneliness in old age. The connection is fundamental. Narcissism is the flip side of loneliness, and either condition is a fighting retreat from the messy reality of other people."
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“Is Facebook Making Us Lonely?” - The Atlantic
http://www.theatlantic.com/magazine/archive/2012/05/is-facebook-making-us-lonely/8930/