They do it to make money....simple as that. Customers want it, porn has normalized it, so if they don't provide it they are worried you'll see someone else who does. Once they do a few dozen guys it becomes part of the routine.
You are best to roll the dice and just choose someone at whatever time you want to. Call Tina and she will give you the best choices for what you like. Just be straight forward in letting her know your tastes. That way you get a lady at the time you want.
After that first couple visits you...
Just look her up. Lots of great reviews don't know if any negative ones. Treasure for sure is up there, but away and not much of a massage type anymore.
Girlfriends typically aren't pornstars. Gfe is gentle, kissing, seductive while pornstar is, or at least supposed to be all out energizer bunny sex. Lots of SPs say pse but are quite far away from that term. They think bbbj makes them pse, etc