in all honesty it probably kills good and bad brain cells. But you know you create brain cells every time you think and question, so it kills brain cells that are worthless like 'caring about waht you look like, materlistic, insecurity ones' and replaces them with, what a beautiful planet, lets sit here and study this plant, watch how it breathes, oh wow, its a living thing.
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When im feeling obscene i try the visine
