IR is the prefix of irrelevant.
For real like can it be any story genre?
I would say the author uses irony in this passage that remembering his mother makes him not happy but miserable which may be the opposite of what is expected but he would rather suffer this than be happy in forgetting her as this latter feeling would be expected to make him sad.
Answer:
One of the best World Selling Book is called The Hunger Games.
Explanation:
