What the...................
I have been a wretched person, but I have redeemed myself.
And
So with that, I am grateful
Answer: The author's attitude toward a subject, topic, or character of a piece of literature is called tone.
Explanation: The tone is evident from the author's choice of vocabulary, and how seriously, humorously, angrily (etc.) s/he tells the story.
The tone of the author usually influences the mood of the reader.