The man at the grocery store who looked your wife up and down may not just be thinking about her being naked - he may be thinking about her being naked with his wife.
While most swinging is about two couples sharing fun and swapping partners, many swingers regularly participate in threesomes.
I've personally run into swingers at work, at dinner, at a strip club, at a non-swinger party, at nude beaches and in many other places.
If you lucked out and happened to live near a swingers club, it probably wasn't a very attractive or "upscale" place.
Today, the Life Style is evolving and becoming more mainstream.
Even given the low estimates of half a percent -- that equals 1.5 million in the U. alone, or about 1 out of every 100 people of a sexually active age.
Many swingers, especially females, are active in the Life Style due to bisexual curiosity.