https://www.quora.com/Why-should-I-not-believe-that-extroverts-are-unintentionally-energy-vampires-and-introverts-are-their-victims

https://www.montgomeryadvertiser.com/story/life/2015/08/19/deal-energy-vampires-life/31969043/

Extroversion seems to be a set of behaviors and perceptions.

Lack of awareness or indifference?