‘Friends with Benefits’ sex does no psych harm
http://www.theregister.co.uk/2009/12/09/friends_with_benefits/
http://www3.interscience.wiley.com/journal/123203589/abstract?CRETRY=1&SRETRY=0
CONCLUSIONS: Young adults who engage in casual sexual encounters do not appear to be at greater risk for harmful psychological outcomes than sexually active young adults in more committed relationships.
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