Library eyes

A person that you would not typically find attractive appears to be inside the library (or any other study area), for example at a university, simply by contrast to the dullness of the content of the books or notes you are reading. On leaving and seeing the world once more in its true and full splendour, you find yourself miraculously 'sober' once more!

You see someone you regard as a '6' walks into the library - three hours and one essay later your library eyes have descended upon you, and seeing them again, they are miraculously a '9'!