What's Eating You - "Marc & Kristy"

8 p.m. Sunday, March 20 on E!

Marc, a bulimic with severe obsessive compulsive disorder, unearths the abusive childhood memories which gave rise to his disorder. Meanwhile Kristy, a former model and mother of two, fights a 23-year binge and purge addiction that has damaged her body and threatens to destroy her family.

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