Well, it's a bit of a stereotyping joke to begin with. Introverts aren't necessarily a solid bloc of total introverts - many just need to measure or limit thei

Well, it's a bit of a stereotyping joke to begin with. Introverts aren't necessarily a solid bloc of total introverts - many just need to measure or limit their social interaction, and may simply prefer a small amount. Absolutely NO interaction at all, is fairly rare, and more of a feature of people with schizoaffective disorder, and pretty much falls outside the "normal" spectrum of introversion.