While I agree with most of the posters here, that it is really great to pick someone you already have some chemistry with and then let them recommend someone for a more authentic experience.
Or, get to know two ladies quite well (who genuinely like other ladies), and then forearmed with your knowledge, be the executive chef in mixing their chemistry together. You never know, it might just be something both didn't expect. I've had a client suggest another lady after we'd met a few times and I was pleased with the results, and so was he

B