Mystery is an inescapable ingredient of mathematics. Mathematics is full of unanswered questions, which far outnumber known theorems and results. It's the nature of mathematics to pose more problems than it can solve. Indeed, mathematics itself may be built on small islands of truth comprising the pieces of mathematics that can be validated by relatively short proofs. All else is speculation.
My gosh, if you’re going away, we got a million things to talk about! All the things we would’ve talked about next month, the month after! Praying mantises, zeppelins, acrobats, sword swallowers!