David: What are you doing?
Alexis: I'm just checking the mail. Did you know you can still get mail?
David: Yes, I know about mail.
Alexis: No, but I'm talking about like, mail, mail. Like a little man in a uniform, with his satchel full of letters, traveling door to door.
David: Um, that's a mailman. And he comes to your house, you pay him, and he gives you your stuff.
Alexis: I think it's free delivery, David.
David: I don't think so...