My favorite genre of love is Stockholm Syndrome. I love any piece of art (music, movies, literature, etc) that plays with this idea. I think that love, in a way, is the ultimate form of SS. How many unhealthy relationships have we found our friends or ourselves in... just total hostages of our own hearts holding us captive.
Cults' "Abducted" is my new favorite song on the subject. I hope you enjoy:
And ... since I love any opportunity to mention Muse, here's their video for "Stockholm Syndrome":