[climatekid]

Genuinely curious, do you have a source on introversion/extroversion being biological like handedness?

I always assumed it was more learned. I used to be introverted but that was more due to low self esteem and now I’m more confident and rather extroverted

[selcuka]

We can't say it's 100% genetic, but apparently more so than political orientation:

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2874623/

https://pubmed.ncbi.nlm.nih.gov/18075477/

https://link.springer.com/content/pdf/10.1007/s10519-015-973...

[flkiwi]

I am a fairly outgoing introvert. I like people, I can have conversations with ease, I am confident, but after a while my people budget is spent and I need to go somewhere quiet. There's a misconception that "introverted" means "shy", and that couldn't be further from the truth.