Because you have no memory for things that happened ten or twenty years ago, you're still mouthing the same nonsense as two thousand years ago. Worse, you cling with might and main to such absurdities as 'race,' 'class,' 'nation,' and the obligation to observe a religion and repress your love.
...first, in order to remember, something must be forgotten; second, the place where memories are stored has no boundaries. In other words, forgetting is a twin; its tandem effect is best called "simultancous" distraction, the instant when one memory defoliates another. This fuzzy double - one devouring the other - presumably inhibits learning