"<a href=""https://www.youtube.com/watch?v=hppbxV9C63g&amp;t=1h48m00s"">1:48:00</a> Personality is very different in many ways from the G factor (Intelligence)", the literature shows that although it is pretty stable across the lifespan, many environmental factors, life experience, and of course treatment (both psychotherapy and pharmacology) can change your personality. You should have Colin DeYoung from University of Minnesota on the podcast, he is a personality psychologist and personality neuroscientist, you would really enjoy that topic.,(reply>), @Ghost _115 👍,(reply>), Thats basically what he later said