"Well, I'm your roommate, aren't I?" Butters reasoned with a smirk. "That means I'm accountable for you. At some of my other camps, we had Accountabilibuddies, and we had to make sure they stayed good an'...an' on the right path and everything, and so, as your roommate and Accountabilibuddy, it's my duty to ground you if...if you misbehave.