What is your superpower? That thing that you do so well that people always ask you for more of? Is it also sometimes your kryptonite?
Just in case you were curious, here’s the official Wikipedia.com Entry
Kryptonite is a material from the Superman mythos —the ore form of a radioactive element from Superman’s home planet of Krypton. It is famous for being the ultimate physical weakness of Superman, and the word kryptonite has since become synonymous with an Achilles’ heel —the one weakness of an otherwise invulnerable hero.