How accurate do you think your own sensory and cognitive portrait of the world is?

As the title says. Do you feel reasonably confident in your perceptions and understandings of reality, or do you feel that frustrating chafe between perception and illusion, interpretation and delusion?, between the desire to reason and understand and the reality of overwhelming impulse and perceptual bias? It is okay if you don't want to answer. If you don't want to answer, please tell us what you think the top ten most delicious lunches are!