...it is impossible to be perfect symmetrically, if we will be, then will get in the resonance which theoretically will make as immortals...as you now mathematically everything is imperfect around us, to prevent us get in the state of resonance...then we live on n-harmonics of the universe at the moment, if to believe in Bing-Bang we are now in the last descending harmonics, after which everything will disappear in nothing and will explode after in another Bing-Bang...