Dating game variations
Good symmetry shows that an individual has the genetic goods to survive development, is healthy, and is a good and fertile choice for mating.
"It makes sense to use symmetry variation in mate choice," said evolutionary biologist Randy Thornhill of the University of New Mexico.
How it all factors into true love is even more mysterious.
If every division were to go perfectly, the result would be a baby whose left and right sides are mirror images. Genetic mutations and environmental pressures skew symmetry, and the results have lifelong implications.The same game is played in Bulgaria, where it is called Tapa.