I'm sure if we could all compare notes we'd come up with a whole list of common traits for pornstars/whores/escorts/strippers/etc. Another one I can think of is driving away from the gas station with the pump handle still in the gas tank. I've known a couple of strippers who have done this.
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"Returning hate for hate multiplies hate, adding deeper darkness to a night already devoid of stars." - Martin Luther King, Jr.