If people brushed their teeth as often as they claimed, and used the amount of toothpaste they indicated, three times as much toothpaste would be sold in the United States than is actually sold (Barringer, 1993).
sábado, 6 de marzo de 2010
Is it possible at all
Is it possible at all to live without personality difficulties? Isn't pain the most essential part of human life along with pleasure?
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