All this gyration and movement can, occasionally, lead to unseemly dance floor desires and the risky amongst us may venture to get a taste of forbidden nightclub nookie. Or, to be less subtle, they were riding each other like show ponies instead of piloting the ship around things like islands. So while you're motor boating your lady friend and your hand hits a patch of goo on the arm rest, don't say we didn't warn you, Mr. And while even places that recommend sex on the beach will point out the sand issue with a little wink and a nudge, they rarely mention the levels of fecal bacteria often found in the sand. Maybe it's the feel of that svelte faux leather upholstery that so many other asses have touched, maybe it's the scent of fake pine and cured meats or maybe it's the thrill of an unshaved man who also stinks of fake pine and cured meats watching you in the rear view mirror. But recent research by some scientists has shown that sand, awesome filter of filth that it is, can collect big, fatty loads of that bacteria with the ebb and flow of tides. Continue Reading Below Advertisement As time went on, the parked sex changed to sex while driving, because who doesn't like more thrills? The exterior of the Queens Spa Castle A. Who are you to complain? Continue Reading Below Advertisement Most people tell you to keep food tightly sealed so that bears won't come after you, but you should keep your legs sealed for the same reason. According to research by the University of California, Santa Barbara, even a chlorinated pool can have enough bacteria to get forced inside you and lead to yeast infections and urinary tract infections. All of them seem to operate on the Hollywood idea that having sex while, say, zooming down the Pacific Coast Highway on a motorcycle is well worth the risks involved. The prospect of being jammed in a tiny, ripe coffin-sized-bathroom when you hit a patch of rough turbulence that results in you getting wedged somewhere that, when you really, really think about it, you don't want to be wedged can't be entirely alluring either.