“So I had a thought while watching Kill Bill 2 last night. […] Now, this is deep: Why do you never see Clark Kent and Superman at the same time?”
Um, have you seen any of the movies? ‘Cause I don’t want to give anything away… but, see, they’re the same person.

Almost as silly as Superman's identity being debated in Linguistics was contrasting distribution randomly arising in conversation that night at 2:15 AM.

“If you understand this, you will understand phonology: Superman and Clark Kent are allophones in complementary distribution. If you’re a duck, or a goat, it’s a very difficult concept.”