How does the subhead fasting and football hint at the central idea of that section

There isn't really enough to give a for sure answer listed, but my explanation is below.

Explanation:

It is probably referring to "fasting" as in not eating. So, not eating in preparation for the game, maybe?

i don't know and i don't care .

the use of “as” in the example to draw the resemblance. some more examples of common similes are given below. common examples of simile. our soldiers are as brave as lions. her cheeks are red like a rose. he is as funny as a monkey. the water well was as dry as a bone. he is as cunning as a fox. simile introduces vividness into what we say.