What makes someone instantly boring to you?

For me someone too talkative or egocentric. Although they might have had many experiences in life, the tone they use and the way they always twist things to make it about them again bores me strikingly fast.

Do you think it’s solely about not being quick witted? Is it also just behavioural at times?

Do you feel all quiet and shy people are boring in a way?

What makes someone instantly boring to you?
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