I stem from a cluster of countries deeply steeped in mythology, fairy tales and associated forests. Tell me about it. Then I followed one of Grimm’s (!) tales, left home and learnt how not to fear.
There is a belief that a noticeable cleft in the middle of your chin (underneath the mouth for those of you who need a map) denotes temper. Thus found more often in men than women. I am a woman and I do have cleft in my chin. Not a Grand Canyon. But a cleft nevertheless. According to Wikipedia (aren’t they just such fountain of often misguided knowledge) a common feature in people of Germanic and Eastern European extraction. What that’s got to do with lab rats? After all – Russians are famed for throwing glasses over their shoulders. Which I am sure has more to do with Vodka than a cleft in their chin. And the Greek smash crockery at a wedding. Don’t get married.