Yes. The sentence with correct parallel structure would be as follows. The doctor known only that her patient would improve, but also knew that her patient would [can't understand the sentence after that, but nevertheless it is still faulty].
The answer is yes. However, the other respondent provided you with an inaccurate (and non-parallel) sentence correction. The correct syntax -- and parallel structure -- is... The doctor not only knew that her patient would improve, but she also knew that he would completely recover.
Explanation: While you might doubt it from how it looks, it is right. You will have to add it due to the possessive factor, as it shows it is somebody's tattoo artist. (I might have interpreted this wrong though.)
The words
within the quotation marks you provided can best be described as patronizing
because of how Mr. Auld seems to know what is best for someone other than
himself the way a parent would; however, in this instance it takes the tone of disrespect
as it is speaking of one who is grown as one would of a child who wouldn’t know
what is best for himself or herself.
