A nurse is reinforcing teaching about advance directives with a client who has end-stage heart failure. Which of the following statements by the client indicates an understanding of the teaching?

"I should discuss this document with my family after I sign it."

"An attorney will need to notarize this document for it to be valid."

"I am not allowed to change my mind once I sign this document."

"My partner needs to be present when I sign this document."