Lena and Alex sitting in a tree, K-I-S-S-I-N-G. In any world, this rhyme is annoying enough to make you want to poke out your own eardrums. In the world of Delirium, however, it's more than irritating—it could very well be a death sentence. Lena lives in a world where the United States has outlawed love. They see it as the root of all evil. Suicide, greed, jealousy, crimes of passion, and so on are all caused by the complex concoctions of emotions we've boiled down into a simple four letter word: love. K-I-S-S-I-N-G? More like K-I-L-L-I-N-G.