Construct an elaborate display of ropes in your backyard and tell your neighbors that you're a "spider person."

When attending a movie, yell out: "Don't let him in! He's the killer!"

When buying a goldfish at a pet store, ask the salesperson how often you should walk it.

Look around suspiciously in public and tell onlookers about the "little men."

Insist on making inanimate objects "dance"

Occasionally talk into your hand in public.

Carry a duffel bag onto an elevator, wait until it's full, then ask if anyone knows how to disarm a bomb in less than 19 seconds.

When stopped at a traffic light during rush hour, claw desperately at the roof of the car.

Insist that someone accompany you to the public rest room because of Henry, the toilet monster.

While carpooling, make swervy turns while imitating crash noises.

Insist that life is "one big musical," then try to prove your theory by randomly breaking out into song in public.