Ever notice your crushes all have one thing in common ― namely, the fact that they’re taken? Even if that’s with each other?
Whether your “type” is a married couple or a pair in a long-term relationship, researchers now think they know what’s going on with people whose romantic preference is “that one couple.”
In a paper published in Archives of Sexual Behaviour, author Sally W. Johnston, adjunct professor of anthropology and sociology at Seattle university, sought to find out why...