Cause they lactose.
They're both leg ends.
Because it's not polite to talk back to your paw!
Cause he's a dog.
Get off my nuts!" (ps. I made this joke up yesterday... i am having hernia surgery tomorrow, and i lol'd so hard at myself that i about caused a second one to pop out)
Fiddler on the hoof!
Put a brick under each hoof!
Because they lactose.
