If you thought your siblings were annoying, because they're always borrowing your stuff, particularly money without permission, try to remember that it could be a lot worse. At least you can get away from them. Conjoined twins can't. Although modern medicine allows for successful separation of some twins, sometimes one or both die after the procedure. Those who live, but have to remain conjoined, often find life difficult, especially when it comes to eating, showering, sleeping, and yes, having sex. It's not like they can ask the other for some privacy while they do it with their S.O. They're literally joined at the hip, torso or head. So how do these unlikely biological couples cope with intimacy?