In my anxious moods, I do sort of prepare myself. I try to think of every possible eventuality, every possible accusation or thought someone may have, every thing I might forget or fumble, and try to imagine what I might do to counteract or resolve it. It's still often a meaningless task because there are practically infinite possibilities, but in theory there's a logic and a benefit to it...

That is a cool way to think about it though. I might put more meta-thought into it for the future.