Love makes people do crazy things, it's as simple as that. You'll buy expensive things for those you're infatuated with, you'll go eat at places you never would have gone to for the sake of going on a unique date, all that jazz. Movies, just like any other avenue of artistic storytelling, have been able to wring plenty of storytelling mileage out of depicting the lengths to which people will go to for the sake of romance, sometimes for drama, sometimes for comedy, but always as a way to tap into the universal notion of how powerful romance can be.
