Failed yet another job interview? Unable to meet the right man or woman? Don't blame your parents. Or society. The source of your suffering is your blood type. The idea that blood type defines our personality, temperament and ability to mingle is routinely dismissed as nonsense, but that has not stopped four books on the subject from occupying Japan's top 10 bestseller list for the past year. Inst
![Typecast - Japan's obsession with blood groups](https://cdn-ak-scissors.b.st-hatena.com/image/square/a5f869c336cae610700fb3e8ca6a3543c30fe3da/height=288;version=1;width=512/https%3A%2F%2Fi.guim.co.uk%2Fimg%2Fstatic%2Fsys-images%2FGuardian%2FPix%2Fpictures%2F2008%2F12%2F03%2F140blood.jpg%3Fwidth%3D1200%26height%3D630%26quality%3D85%26auto%3Dformat%26fit%3Dcrop%26overlay-align%3Dbottom%252Cleft%26overlay-width%3D100p%26overlay-base64%3DL2ltZy9zdGF0aWMvb3ZlcmxheXMvdGctYWdlLTIwMDgucG5n%26enable%3Dupscale%26s%3Db1ad741e8bcbc3a90646cf081dee6ded)