So....you've got yourself a new boyfriend/girlfriend and you guys want to dress up for something together. But what?! If you're really set on doing so, try one of these ideas! I think I'd want to do the first one, personally :)
For the Everlasting Couple: Olive Oyle and Popeye
via Seattle Refined
For the Adventurous Couple: Nathan Drake & Laura Croft
For the Scary Lovers: Splicers from Bioshock
via Chris Z
For the Sentimental Loves: Jessie & Buzz from Toy Story!
For the Comic Lovers: Spider-man and Black Cat