The junior member beenthere has raised a very valid explanation (amonst others).
My room mate would insist we play that game after work on Fridays, just now and then when the mood struck her. We'd go to the upscale watering holes where it was know singles of our age would be hanging out and we'd act the couple, but made it known we were single and not married. The old "I want what she has" would kick in as beenthere observes. The twist was room mate would "filter" and if they passed her tests, then I'd get the womens phone numbers through room mate. Best haul was 6 phone numbers in one night. It works. We haven't done it in a while as I have a significant other, but might just for old times. It was a lot of fun.