"There’s a lust spell that was accidentally cast on the Love Room many years ago. It’s contained by a powerful ward, and, for the most part, perfectly harmless to those who are working in here. However, sometimes, when two people step inside, the door can lock and the ward seals the room up to keep the magic from spreading to the rest of the department," she revealed. "It’s why we were-" she blushed, "-unable to control ourselves." 