When out in public, occasionally talk to yourself. If you don't like people staring at you, talk to a wall. You may look like a prisoner of Azkaban, but at least the wall won't judge you. This shows that you're an expert in social situations and you have lots of friends as you are just practicing talking to them.
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How To Be Normal For Dummies
RandomThis book is just for laughs, so don't actually take my advice or you will be judged harshly.