Knock Knock
Who’s there?
Cows go
Cows go who?
No, Cows go Moo!

—

Will you remember me in an hour?
Yes.
Will you remember me in a day?
Yes.
Will you remember me in a week?
Yes.
Will you remember me in a month?
Yes.
Will you remember me in a year?
Yes.
I think you won’t.
Yes, I will.
Knock, knock!
Who’s there?
See? You’ve forgotten me already!

—

Knock, knock!
Who’s there?
Boo.
Boo who?
Don’t cry; it’s only a knock-knock joke.