Perhaps, but this sounds like what someone who doesn't know many extraverts would say.
If your default preferred way of being isn't "with other people" -- to the point where you feel anxious when you're alone for any reasonable length of time -- you're probably some flavor of introvert?
If your default preferred way of being isn't "with other people" -- to the point where you feel anxious when you're alone for any reasonable length of time -- you're probably some flavor of introvert?