Yeah, friends can mess with each other a bit. But I guess you wouldn't know about that because I doubt you have any friends.
And it isn't like we don't have twice as much food as we can eat at pretty much every tailgate.
Yeah, messing with a friend would be doing that with one cookie - maybe two or three. Doing it to every single cookie she brought to the tailgate just makes you an insufferable prick. And bragging about it on the internet? Sheesh.