There's an episode of Seinfeld when Jerry discovers he has a chance at a menage a trois and declares "But I'm not an orgy kind of guy." That's me. I set up a double and at moments it was as great I imagined but then the novelty wore off and I felt pressure to please both of the participants and I felt like I needed to be two places at the same time and also that I naturally much preferred one girl over the other when given a choice side by side. I'm glad I tried it, but I'll stick to focusing on one girl for a better overall experience.