I think it was the show "LA Law" that did an episode about that situation as well. Or maybe it was a cop show (Hill Street Blues?). I remember a big fat guy sitting at the buffet, refusing to leave saying he hadn't had "all he could eat yet".
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I used to be with it, but then they changed what "it" was. Now what I'm with isn't it, and what's it seems weird and scary to me, and it'll happen to you, too.