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1.
This rule dictates that if two persons are mid-coitus and a third party enters the room, the couple must continue to do the deed.

If they do continue, the third party is required to make breakfast for the couple. If they stop, the couple is then required to make breakfast for the third party at his/her earliest convenience.
"Hey, I totally walked in on John and Jane last night."

"Did they keep going?"

"Nah man, they're making me breakfast tomorrow morning cuz they stopped, and the Breakfast Rule says they must"
by EggsandBacon May 02, 2012