It is a person who teaches more that anatomy and biology, but how to enjoy sex. When you think about it, in addition to making videos for all to see, doesn't Pierre do just that to the women in his castings.
I was thinking that it might be fun to use that as an "ice breaker" at a New Year's Eve party. When you meet a new woman at the party, and she asks you what do you do for a living, just tell her that "I am a pleasure professional".





