What does feeling her cheeks heat up like a hot flame mean and type of figurative language

Seems as though she must be angry, or embarrassed. That is the only time your cheeks would heat up like that. The author is using a simile. A simile is comparing something using like or as. :)
 

So jose lived on his house everyday never left it if he left the house it was for school.the reason why he never left his house because he didn’t have any good friends that he needed. i can’t wait for the new year to be back said jose and he will receive the opportunity to be able to work.