Be nice. At least he admits to being dumb . . .
Q1. There are many providers who will see couples. Do a little research by reading reviews or browsing showcases or perhaps one of them will say so. Whether by yourself or as a couple, show respect.
Q2. Same as Q1. One outstanding provider in OK who visits AR just gave birth so you missed out.
Q3. If you're girlfriend is hot as Hell, sucks like a Hoover and fucks like a roomful of rabbits, chances are she could be hired by an agency. But SHE must have a predisposition for the hobby, as should you. You'll have to get used to her having sex with multiple partners, then being too tired to service you when she gets home. Just sayin'