I noticed among my circle of friends that the shorter ones are usually more cunning and shrewd. Those with white hair even more so. Comments please.
I noticed that too and did some enquiries.
The most 'scientific' answer I got still stuck with me : because of their short bodies, each heart beat (blood pushed out by the heart) will push blood to go TWO(2) rounds around their short body hence giving more nutrition per heart beat. Taller people's blood can only go 1 round around the body at each heart beat given the longer distance and force needed to push blood around the body.
Therefore, shorter people are more cunning and shrew is because their brains are more nourished at each heart beat.
Of course I did not write this as answer in my Med exam. Comments and disagreements accepted.