Because if he lifted up both legs it would fall over!
A spider. (They have two legs and an additional six legs also)
She had no legs.
Valleys that have fallen out after an argument.
Nothing, she just stood there with a sour puss
Because if they didn't they'd fall over.
If it didn't stand on any, it would fall over.
A Lift (only a joke, my American friends)
12 months