Elliot: Oh, it's just that I'm a little more comfortable with the setup that I have at home, you know. Like... extra locks.
Dr. Casey: Yeah, I've only gone outside my house twice. Once on an airplane, and once at the White House.
Elliot: How are the bathrooms at the White House?
Dr. Casey: I have no idea, but the fountains are nice. And security? Quick as bunnies.