"Sorry bro. Kitchens off limits."
"You should be able to satiate your appetite by forging under the couch cushions."
"Lint, dog hair, Gadzooks! Is that a booger?"
"Sorry, bathroom's off limits."
"You watching a monster truck rally is not going to help them!"
"Guys! Guys! Guys! Check out this dress I found at the mall. It's literally one of a kind."
"O-M-Gosh you guys! Look at this dress I found at the mall!"
"Ooh! When did we put a mirror in the living room?"
"That's it? You gotta be kidding me!"
"It's a sister thing. You wouldn't understand."
"In this family, we have a sister fight protocol. Butt out, and let them resolve it on their own."
"We told you to stay out of it!"
"Based on rising decibel levels, I'm upping the threat level in the house from Thunderstorm to Hissing Cat."
"ATTENTION, LOUD SISTERS! I AM HERE TO RESOLVE YOUR CONFLICTS! PLEASE REMAIN CALM! I AM COMING IN!"
"Well, I guess I've learned my lesson: always respect the sister fight protocol."
"You said what now, SPORTY?!"
"HOW CAN YOU HEAR ME OVER ALL YOUR SLEEP-FARTING?!"