The central question is what are the character traits that people, even in the same cultures, will will exhibit different characters? So if i ask you questions about your extra version when you're 12 and it turns out you're really introverted, will that score predict your intraversion at age 30 and then at age 70? And also, how consistent are the differences over the course of a lifetime? Say, that's right. That's right. There are some interesting findings there. I very briefly like it turns out that that past a certain age, your personality traits tend to tend to be fixed. The difference between age 30 and age 70 will be much smaller than the difference between age 12 and