co-worker: why have you changed your opinion since last week? dilbert: i haven't changed my opinion. co-worker: no, it was different last week. dilbert: are we really debating which one of us is a better authority on my opinion? co-worker: you might be lying about not changing your opinion. dilbert: and you might be hallucinating or lying or just stupid. co-worker: you might be trying to gaslight me right now. i'm glad we can have these honest talks. dilbert: i hope you plunge to your death in a freak elevator accident.