Check out this new article Wizards of the Coast posted recently:

D&D Love Stories

Love in the D&D world doesnít have to be sappy. This is a realm of magical fire and ringing steel, of physical transformations and powerful rituals. Love could be the catalyst for a paladinís quest, a rogueís heist, or a wizardís research. A villain might be motivated by unrequited love or a personal betrayal. And why not? Kings have been slain for less.