If you look you cannot see me

If you look you cannot see me. If you see me you cannot see anything else. I can make anything you want happen, but later everything goes back to normal. What am I?

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You throw away the outside

You throw away the outside, eat the inside, and throw away the inside. What is it?

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How many houses did you count

If you count 20 houses on your right going to the store and 20 houses on your left coming home, how many houses did you count?

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