This is a repository for major, life-altering mistakes that you or others have made. Detailed accounts of specific mistakes are welcome, and so are mentions of general classes of mistakes that people often make. If similar repositories already exist (inside or outside of LW), links are greatly appreciated.
The purpose of this repository is to collect information about serious misjudgements and mistakes in order to help people avoid similar mistakes. (I am posting this repository because I'm trying to conduct a premortem on my life and figure out what catastrophic risks may screw me over in the near or far future.)
What are the bad things that can happen to you if you get accurately judged as nerdy, and how do they compare to the negative impact of having people assume all the wrong things about you?
This brings up an excellent point.
It's perfectly fine to be Packers fan, but I would judge a person who showed up to a wedding or funeral dressed as a cheesehead. I wouldn't judge them for being a Packards fan; I would judge them for disrespectfully violating decorum -- for choosing to signal that they are a Packards fan.
Projecting nerdiness is similar EDIT in that the first-order signal is not the harmful one. A nerdy appearance emits two important signals: