https://www.livescience.com/51979-masculinity-gender-norms-violence.html
Insecure Men May Be More Prone to Violence | Live Science
Aug 26, 2015 - Researchers found that men who feel they fall short of society's "macho man" standards and are unhappy about it may be more likely to commit violent assaults...
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https://www.vice.com/en/tag/insecure-men/
Insecure Men Archives - VICE
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