1. To protect eyes while cutting the onions
2. To hide that you are crying over a "Hachiko" movie
3. To hide you are sleeping
5. To bother some one with the sunbeams
6. To reduce the distraction
7. To pull up the hair of your face
8. To protect you eye from a finger poking
9. To hide the person is dead, pretending they are sleeping
10. For making a pretentious statement by taking off the glasses and cleaning the lens for a few seconds, building the tension
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