I don't think. Photographic memory, I perceive, visualize everything, no matter if I want to or not. I never delevoped much of a control over not perceiving. I'd hate to limit my perception.
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"Beware the Jabberwock, my son!
The jaws that bite, the claws that catch!
Beware the Jubjub bird, and shun
The frumious Bandersnatch!"