Nope. I know somebody who mostly refers to herself in the 3rd person and has a ton of other quirks. If anything, people with underlying oddities might develop

Nope. I know somebody who mostly refers to herself in the 3rd person and has a ton of other quirks. If anything, people with underlying oddities might develop several quirks on top of them. Or they realise that one can get away with strange behaviour and don’t even try to suppress ever new and interesting patterns.