Why do women instantly begin to gyrate, twerk, shake their junk, and "woo hoo", the nano second they realize they are on camera?

I like sexy women as much as anyone but damn, these girls are programmed to peacock on cue.

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9 mo
To be fair, this is Miami, so most of these women are probably doing porn.
Why do women instantly begin to gyrate, twerk, shake their junk, and "woo hoo", the nano second they realize they are on camera?
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