(Newser) – If you’re looking for a decisive, confident partner, try dating someone with type O blood. Type As are dependable worrywarts, ABs are balanced but high-maintenance, and if you’ve been burned by a selfish ex, blame their type B blood. That’s the conventional wisdom in Japan, where people believe blood group determines personality—a belief that plays out in dating, the workplace and even politics.
[From In Japan, Dating and Hiring Follows Belief in Blood Type Personality Groups]