At the performance tonight, I am going to perform a jazz piece that I choreographed myself.
Myself belongs to the family of the objective pronouns along with yourself, himself, herself, ourselves and themselves. They are object pronouns that are used when the subject and the object are the same noun. In this case the subject is I so that the correct reflexive pronoun that collocates with that subject is undoubtedly myself.
Humorous because he states that his cat would be more persuasive than the most of the marketing team. It could also be satirical because the use of irony, but satirical usually has a purpose to address a problem in society so I would go with Humorous
I've searched and searched but I just cannot find "Swidt and Satire". Who is the author?
Four things to do while proofreading are to check your spelling, grammar, punctuation, and capitalization.
Your question isn't very detailed, if this isn't what you're looking for, please feel free to put in more detail.
