Have you watched Titanic 20 times? Can't get past the scene where Ellie dies in Up without bawling? Then you're a true romantic at heart. While many couples may either go the scary or funny route for Halloween, you'll gravitate toward costumes that channel passion and love, whether that inspiration comes from The Notebook or Betty and Don Draper from Mad Men (hey, love isn't perfect, right?). Hopeless romantics, read on for the couples costumes that will make all your friends go, "awww."