If you look up "serial monogamist" in the dictionary, it's highly likely you'll find a picture of Taylor Swift. The rarely single country crooner has been tied to everyone from Harry Styles and Conor Kennedy to Jake Gyllenhaal and Taylor Lautner -- and most of them within the last two years. It seems Taylor could stand to learn the value of me-time if she's serious about finding Mr. Right instead of just Mr. Right Now.