Men are like dogs. No, this is not a sexist statement, it’s a scientific fact. Both men and male dogs lower their voices when they feel the need to dominate. Dogs growl at people and other dogs, and men do the same thing (at least when it comes to other men).
Ker Than writes in LiveScience.com that a new study shows that the lower the pitch of a man’s voice is, the more physically dominant he seems to the other men he’s with. If he feels threatened, or if someone he feels protective toward is threatened, a man will unconsciously lower his voice.
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