Why anyone would start doing drugs.
Professional hot dog eaters.
Dogs wearing shoes.
Why I had to take geometry.
Why we call it a "building" when it's already built.
Why people watch other people playing poker on TV.
The way teens wear their pants.
People who don't like chocolate.
Why anyone would want to follow me on Twitter.
Why the bananas are either all gone the day after I buy them, or they are left until they are brown and squishy soft.
Why they can't invent something that would allow golf announcers to speak in a regular voice instead of that creepy, whispery voice they all use.
Why my kids spend so much time learning about the colonial period in school.