The details, as described by Blizzard themselves, go like this: "A strange 'love sickness' will be infecting guards and townsfolk all across Azeroth. Players should speak to the concerned citizens around the major cities if they would like to help solve this dilemma. As part of the event, all the major cities will receive festive decorations such as ribbons, flowers, and heart streamers, and players may even see a few NPCs sharing thoughts of love..."
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