LEAD
Wharton Psychologist Adam Grant Says This Is the 1 Type of Relationship You Should Avoid
Frenemies do more harm than enemies, research shows.
By MINDA ZETLIN, CO-AUTHOR, THE GEEK GAP, @MindaZetlin

LEAD By MINDA ZETLIN
Wharton Psychologist Adam Grant Says This Is the 1 Type of Relationship You Should Avoid
Frenemies do more harm than enemies, research shows.
By MINDA ZETLIN

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