Lay awake, contemplating the existence of Dog.
It freaks out the dogs!
Staying up all night wondering if there really is a dog.
Eggs get laid only once
If you lay them right the first time, you can walk all over them for years.
Well it depends on what you mean by change.
Socrates
So they have something to do at night.
A frog -- it croaks every night.
They use a machine gun.
Someone who pointlessly knocks on the door.
Some one who stays up all night wondering if there's a dog.
A guy who is up all night wondering if there is a dog.
A person who stays up all night contemplating the existence of dog.
Alien 2: Celebrating the existence of their mothers. Alien 1: I ate my mother. Alien 2: As did I.