I can’t help you deal with your cognitive dissonance.
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You have entered the Total Perspective Vortex (TPV).
When Zaphod was exposed to the Vortex, he was inside a computer-generated universe created for his protection by Zarniwoop. Since the entire universe was created for him, the TPV told him, in effect, that he was, in fact, the single most important person in the universe. This allowed Zaphod to survive the experience, and also did not surprise him in the least. Zaphod then proceeded to eat the fairy cake.