Universal truths / Observed but found true

1) Triangular sandwiches taste better than square ones.
2) You're never quite sure whether it's against the law or not to have a fire in your back garden.
3) Nobody ever dares make cup-a-soup in a bowl.
4) Rummaging in an overgrown garden will always turn up a bouncy ball.
5) The smaller the monkey the more it looks like it would kill you at the first given opportunity.
6) Its impossible to look cool whilst picking up a Frisbee.
7) Driving through a tunnel makes you feel excited.
8) You never ever run out of salt.
9) Old ladies can eat more than you think.
10) There's no panic like the panic you momentarily feel when you've got your hand or head stuck in something.
11) No one knows the origins of their metal coat hangers.
12) People who don't drive slam car doors too hard