My answer to Why do people further North like Scandinavia, tend to be more intro

My answer to Why do people further North like Scandinavia, tend to be more introverted, and people further south, like Italy and the Middle East are more extroverted? https://www.quora.com/Why-do-people-further-North-like-Scandinavia-tend-to-be-more-introverted-and-people-further-south-like-Italy-and-the-Middle-East-are-more-extroverted/answer/Curt-Doolittle?srid=u4Qv