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:
"I couldn't believe I was really doing this," Neto recalls.
Explanation:
This book offers a narrative that shows how young people should be most responsible for promoting beneficial and real changes worldwide, through progressive attitudes and participation in transformative activist movements. The book shows the experience of some young people who already participate in this type of movement, to encourage and show how reprehensible it is.
Hyperbole i think. it’s exaggerating the reaction to the lead of the play