In Japan, it's widely believed your blood type determines your personality.

You may be asked your blood type in a job interview to decide your suitability for the role.

Or on a date to decide amorous compatibility.

Your children may be educated based on blood type.

And your video game character may behave stereotypically based on the blood type in their profile.

There are blood type horoscopes in newspapers and on train advertising screens. 

And you can  even shop  based on  blood type.


According to the  Japanese, which blood type: Makes the best managers? The best and worst  love matches? The most geniuses?