Big Brother is watching, you're watching, everyone's watching, and so are you. This is Rule 4, because even the rules have rules, you see. We've got eyes on prophets, ears on walls, and a camera in every pot, pan, and pantry.
Move on to Rule 5: You're Not Alone, You're Not Alone (We're Watching You) - Because who needs personal space, anyway?
Back to Rule 3: You Can't Escape the In-Laws - Even in Your Dreams - Don't say we didn't warn you.