Why did the envelope take so long to get ready?
It had to get addressed for the trip to the mailbox.
Why did the doofus throw her bills out the window?
To send them by air mail.
Why did the man quit his job as a mail carrier on the first day?
He started to deliver the mail and realized, this isn't for me.
What's the difference between a car tire and 365 love letters?
One's a Goodyear, one's a great year.