Face the music means to face the troubles the world brings. To face a disagreement or something unpleasant.
I believe the correct answer is hyperbole.
Hyperbole is a rhetorical figure of speech which show some kind of exaggeration - in this particular example, the hyperbole is found in the words 'an hundred years.' This is so because the poet won't really spend a hundred years to praise the woman's eyes, but is rather exaggerating a bit.
Reading can improve the memory. Reading helps you maintain concentration, and allows your mind to process the events happening before you.
The purpose of these words is to give off the impression of averageness, whether of a substance, event, or person. It shows that the thing in question is quite readily available to anyone, and that it is nothing to marvel at. These words give off the impression of "nothing to see here" essentially.
You did not attach the article so we can't answer