Porn is not real life. It has it's own "conventions" like any other genre.
I remember the first time I saw (in real life) a girl doing all the spitting and gagging that US producers seem to love so much.
I mean no disrespect to the sexiness of the girl herself when I say it was actually hilarious in person! Just really obviously part of the "performance".
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"Please post pics as attachments instead of just image links. I wanna see the whore's box. Not a box". - Gia Jordan