https://psycnet.apa.org/buy/1990-23251-001
b 1890 ～ guilty man (Sigmund Freud)
b 1920 ～ tragic man (Heinz Kohut)
Baby boomers ～ b 1946-1964 ～
界乎 BB 和 GX 之間，interestingly, it was empty Philip Cushman, 1990), and saturated (Kenneth Gergen, 1991), at the same time.
通常說法是，BB 失去做父親的權威和信心，以致 GX 迷途，
Generation X ～ b 1965-1980 ～ designed self (Carlo Strenger, 2004)，四十五十之間，曾經以為設計成功，
Generation Y ～ b 1980-1995 ～ they are busy working, and fucking, and raising the kids, remorsefully and reluctantly. 三十四十之間，
The narcissism epidemic: Living in the age of entitlement (Jean Teenage, W. Keith Campbell, 2010)
Generation Z ～ b 1995-2009 ～ 大學剛畢業，
iGen: Why Today's Super-Connected Kids Are Growing Up Less Rebellious, More Tolerant, Less Happy--and Completely Unprepared for Adulthood--and What That Means for the Rest of Us (Jean Twenge, 2018)
Generation Alpha ～ b since 2010 ～ 小學快畢業了，
