soulmate
Explanation
The Joke
The comic explores the concept of "soulmates" through an escalating series of scenarios. It begins with a common romantic premise: what if there's exactly one perfect person for you somewhere in the world? A professor or narrator figure walks through the statistical and logical implications. Given that your soulmate could be anyone on Earth, the odds of actually meeting them by chance are astronomically low. Most people would never find their soulmate and would live their entire lives alone or in relationships with "non-soulmate" partners.
The comic then escalates through increasingly desperate and dark scenarios showing what a world that truly believed in soulmates would look like: massive government programs to match people, totalitarian logistics operations, people refusing to settle for anyone who isn't their destined match, and the philosophical despair of knowing your one true match might have already died or might live on the other side of the world. A note is shown listing the logical conclusions of the soulmate concept, all of which are grim. The final panels show the absurd lengths society would go to -- and the existential horror that would result -- if the soulmate concept were literally true.
The Humor
The comic is a classic SMBC move: take a sentimental, feel-good idea (soulmates) and ruthlessly follow it to its logical conclusions, revealing that the romantic notion would actually be a dystopian nightmare if taken literally. The humor comes from the contrast between the warm, fuzzy way people normally talk about soulmates and the cold, mathematical reality that the concept, if true, would condemn most of humanity to loneliness. The escalating absurdity of each panel -- from romantic wistfulness to civilizational collapse -- drives the comedy. It belongs to SMBC's rich tradition of "well, actually" comics that deconstruct popular beliefs through rigorous (if exaggerated) logical analysis.
References
- The statistical argument about soulmates (that your odds of meeting "the one" are vanishingly small if they could be anyone on Earth) has been explored by several writers and mathematicians, including Randall Munroe of xkcd in his "What If?" series.