Bad days for South Korea's type-B men
Yahoo! News - Bad days for South Korea's type-B men: "BAD BLOOD, BAD MATCHES?
In Asia, the subject of linking blood types to personality took off with the 1927 publication of a series of articles by Japanese scholar Takeji Furukawa called 'The Study of Temperament Through Blood Type'.
The concept hit pop culture and mass media in 1971 when Japanese writer Masahiko Nomi expanded upon Furukawa's ideas and wrote 'Understanding Compatibility from Blood Types'.
Type-O people were described as outgoing, expressive and passionate. Type-A were considered introverted perfectionists while type-AB were an unpredictable, distant lot.
And then there was type-B. They were considered independent spirits with strong personalities."