"Unfortunately, I knew exactly what I was suffering from. LIPID (Last Idiot Person I Dated) syndrome: a largely undiagnosed but pervasive disease that afflicts single women. My roommates and I had come up with the term in college, to explain the baffling phenomenon of nostalgia for one's most recent ex. No matter how absolutely awful that person had been at the time, after a few weeks, the relationship would take on a rosy tint, and wistful little phrases would begin to creep into conversation, like, "I know he cheated on me with three people at the same time, but he was such a fabulous dancer," or "All right, so he was a raging alcoholic, but when he was sober he did such sweet things! Remember those flowers he bought for me that one time?" Inexplicable, but inevitable. A few weeks of singledom render even the most inexcusable ex charming in retrospect. Hence, LIPID syndrome. As everyone knows, lipids are fats, and fats are bad for you, and therefore ex-boyfriends must be avoided at all costs. This is what comes of having a bio major as a roommate for four years. The one sure way to fight off LIPID syndrome was to distract oneself. True, the only foolproof cure is a new relationship, thus knocking the LIPID back down the dating chain into harmless obscurity, but there are other, temporary diversions. Reading a novel, watching a movie, or delving into the private lives of historical characters. With an anticipatory"