Answer:
You can talk about what you like
Like games, success, books, honesty
but be sure your story passes a message
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.
This line from Sylvia Plath poem “lady Lazarus “, one of many iconic of modern American poetry.