They are actually a nice couple, both luffy will need to drop a lot of stupidity if they are gonna be a great couple which sadly enough isn't gonna happen(not the great couple part but luffy dropping any stupidity). And not for all the complications with the shichibukai thing, the kuja tribe and sanji, it would have been awesome if hancock could join the crew

I'm more of a romance anime fan, so pairings are something I enjoy. I mean, I love the idea of them being a couple, so I'll say 'yes', but there is a point I'd like to make clear - it wouldn't work with the way Luffy is at the moment... he doesn't understand that Boa is in love with him and he doesn't really understand romantic love, so it wouldn't really work. But, it would be awesome if he one day was able to understand and fall in love with her.