Just about every TV show has a love triangle, but only the good ones are compelling. What makes a love triangle intriguing? There are several answers to this question, but I would argue that the number one element that makes a love triangle a good one is whether or not you can have a rational argument about who should actually be with whom. The best love triangles are divisive and unpredictable — you can’t know how things will end up because what actually should happen differs depending on who you ask. These are the seven love triangles that had us on the edge of our seats.