The emo cycle is the self perpetuating cycle caused by emos and their views on the world. It starts when they start whining about nobody liking them, which leads to people not liking them even more, which leads to more whining, which leads to a perpetual continuance of this cycle.
emo: wahhh why doesn't anyone like meee....
other guy: thats why
emo: what do u mean (sob)
other guy: you have obviosly fallen victim to the emo cycle