How cool is nature? It's both nature and nurture and science digs 'em both of course, as do fertile age females in the olfactory superpower to detect MHC typing immune system compatibility, in mates/ potential mates. Pretty mind blowing, though perfectly understandable after 3.8 billion years of evolution +/- a billion. “My, what an amazing creation you have there, Grandma!” s/Grandma/Creator/ Zerowedgie with le scientifique low, as in LOW down: Do You Truly Have Free Will? https://www.zerohedge.com/news/2019-07-13/do-you-truly-have-free-will