Explore the fascinating world of mathematical theorems related to sex and marriage in this 21-minute video. Discover why there's no Nobel Prize in mathematics and learn how mathematicians can still achieve prestigious recognition. Delve into Gale and Shapley's stable marriage theorem and debunk a popular myth about sex statistics. Gain insights into calculating averages, understanding stable matching algorithms, and their proofs. Examine interesting facts about stable matchings and uncover the missing proof. Follow along as the video breaks down complex concepts into digestible segments, from the introduction to the final explanation of the missing proof.