When you've carefully checked all the facts and your attitudes and still find that there's "just something" about your supervisor that's causing a problem in your relationship, you should suspect that

impartial means: treating all rivals or disputants equally; fair and just.

i would say that impartial is agreeing with something, because impartial means to treat your rivals, arguments, and reasoning equally and fair. so if you rival says something, agreeing on it means you did the impartial.

about 25% of a paper can be direct quotes.