Conjoined twins simply may not need sex-romance partners as much as the rest of us do. Throughout time and space, they have described their condition as something like being attached to a soul mate.
Alice Domurat Dreger (/ˈdrɛɡər/) is a historian, bioethicist, author, and former professor of clinical medical humanities and bioethics at the Feinberg School of Medicine, Northwestern University in Chicago, Illinois.[3]