Comment What a smartie you are! (Score 1) 823
Seriously, good on you!
IMHO, it comes from years of being right. nerds are problem solvers. it's a thing they do, and they have years of experience in finding answers and having many moments where they can experience the feeling of not knowing something, thinking about it and then at some point finding out they were right. I am simplifying of course but the constant feeling of "being right" leads them to believe they will always be "right". Thus they become arrogant.
The problem is learning how to cope with people who will need your "brains" and not alienate them with your" arrogance" . try not talking. it's best to listen instead.
Just remember, you need the others too. No one will pull you from the wreckage if they don't like you. And you make a lot of mistakes being arrogant but you don't see them. so you are not really that smart.
good luck smart ass!