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describes the " secret sexual affair " entered into by some married schizoid individuals as an attempt to reduce the quantity of emotional intimacy focused within a single relationship , a sentiment echoed by Karen Horney 's " resigned personality " , who may exclude sex as " too intimate for a permanent relationship , and instead satisfy his sexual needs with a stranger " , separating sex from long-term relationships .
 Karen Horney
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Karen Horney