Same as why they don't drive. They never see it comming.
Don't be silly, walruses don't make sandwiches; women make sandwiches. Made this up to bug my sister. It worked. Her husband laughed.
Ten tickles
A: Your car.
So the other one would also drive
Because freedom rings.
To get to the other side!
It scares the hell out of the dog
So blind people can hate them, too.